spectrum Nanoscience Research Center Opens

FOR THE Al umni and Friends OF THE Department of Physics & Astronomy No. 26 | SPRIN G 2014 | university of nebraska­—lincoln| anthony F. starace, editor

from the chair...... 4 we hear d that ...... 26 Department news ...... 6 acknowledgments...... 30 RESEARCH HIGHLIGHTS.... 16 obituaries...... 32 alumni news ...... 22 the record ...... 35 SPECTRUM | 3 hese ), and T ST ecovery hancellor for he NIhe ST funding niversity of NL’s establishedNL’s echnology (NI o date, the center conomic Development. aul, Vice C . P hey cited U rem S einvestment Act 2009. “ of N counts six spin-off companies his state-of-the-science facility his state-of-the-science T In addition to the Voelte-Keegan “ CM hey donated $5 million toward the esearch and E ellmyer said. T tandards and T a former chair the of U Nebraska Foundation’s Board of Directors and current board member. T building. T leadership in nanoscience among factors playing into their decision, along withreach the field’s into theirown backgrounds and interests. gift, a $7 million competitive federal grant from the National Institute of S among its successes. its among withcoupled our faculty’s expertise is a powerful combination that strengthens our position as leaders in nanoscience and materials research,” said P R “High-quality facilities are critical to enhancing our capabilities and fostering interdisciplinary research.” a university commitment, funded the million$14 building. T came from the American R and R are wise investments considering the new facility will position the center strengthento its as role an economic driver in Nebraska and beyond,” S N Editor’s note:Editor’s This article is adapted from a UNL News Release dated September 19 2012 by Jean Ortiz Jones. NL he center’s center’s he ellmyer, cience Foundation. cience Foundation. ellmyer said. “Our new ngineering alumnus Don ollaboration needed is what’s his collaborative doing way of he buildinghe is named U for he newhe facility offers researchers esearchers previouslywere spread T “Having access such to powerful T T “ R ollege E of hey will continue maintain to offices esearchers also gain high-tech research Voelte and hisVoelte wife, Nancy Keegan, access specialized to tools like$2 a million high-resolution electron microscope purchased with a grant from the National S R space, including a clean that room eliminates dust particles. T administrative offices also partare of the new building. tools and an impeccably controlled research space will provide new insight into nanoscale materials and structures,” S facility creates an environment that better fosters innovation and will the pave help research way more to breakthroughs.” C research ismore much much, now powerful,” said David S center director and an accomplished nanoscientist. will “It allow us to better confrontthe grand science and technology challenges facing our country. C progressfor in this field.” in their departments, home now but benefit a sharedfrom research area that enhances collaboration spanning disciplines and departments. established in 2002 with funding from the National S across several buildings campus. on T , N. NL enter CM cience enter hysics ngineering edical C enter for esearch, S esearch C enter, which wasenter, ollege E of N), directed George by aterials R rofessor David J. Sellmyer CM aterials and Nanoscience he Nebraskahe C M (N DistinguishedHolmes ngineering C NL boasts the of one nation’s he newhe 32,000-square-foot Voelte- esearchers the at who work nano R U T any say the most significant niversity Nebraska of M niversity P treet from the C level — where size and distance are measured in billionths meters of — are exploiting nanotechnology’s potential revolutionizeto a wide range of products, from medicine and life-saving technologies to energy and electronics. M discoveries are yet come. to leading nanomagnetics research expertise in laser-assisted groups, nanotechnology and a is to home prestigious M and E complex. It providescomplex. It centralized research facilities than more for 80 physics, chemistry, engineering, and U faculty, as well as several faculty members from other departments, colleges, and campuses. About 20 physics faculty are members N of conveniently adjoins Jorgensen Hall, the of home Department P of and Astronomy, and is across 16th S Keegan Nanoscience R has been the at its forefront of field since its founding U in Now 1988. scientists and engineers have state- of-the-art research facilitiesthat will enable new discoveries in the of one highest-prioritynation’s research areas. U T Nanofabrication Cleanroom Facility. Central

Transmission electronTransmission microscope (TEM) in the Electron Microscopy Facility. Central Opens Research Center Nanoscience

SPECTRUM | 2 2 from the chair

In case you’re out of the local news unhappy to have lost the major concen- help of non-permanent Education and SPECTRUM | coverage area, Nebraska has entered into tration. Students expressed interest in Outreach Staff of NCMN and MRSEC. Positive Report By External a long-term partnership as a University- some additional advanced course offer- “This is an efficient model allowing faculty Affiliated Research Center (UARC) with ings, including a mathematical methods to do outreach without compromising their the United States Strategic Command course taught by the physics depart- research activities.” As these staff lines are (USSTRATCOM). This designation of- ment, though the team realized there grant-dependent, the Team expressed

SPECTRUM Academic Program Review Team fers opportunities for sole-source funding were no existing courses that could be concern over the lack of “sustained admin- |

of research in core mission areas critical eliminated “without severely harming the istrative support for (these) efforts from the 5 4 to USSTRATCOM. The acknowledged competitiveness of the program.” While college/university.” They recommended trategic planning is an ongoing pro- Condensed Matter and Materials Physics expertise in the Department of Physics we have been previously hampered by “departmental staff working with outreach cess revisited annually. We review (CMMP) through the targeted hires sup- and Astronomy proved instrumental a shortage of instructors, as we near support, possibly coupled with departmen- and revise course offerings, under- ported in part by the University’s Program of in securing the UARC. The first of two the PoE target hiring goals, we have the tal website maintenance.” The College graduate and graduate program Excellence (PoE) in each of those disciplines. “task orders” awarded through it was chance to explore new course offerings. budget is unlikely to accommodate this. requirements, and target new hires They recognized the major impact of the made to Professor Donald P. Umstadter’s This year we are piloting a theoretical Sinformed by the goals articulated in these High Energy Physics (HEP) group, belying its Diocles Extreme Light Laboratory. We methods course. plans. Every six years, as required by the Uni- more modest size. are learning how to take advantage of the Facilities versity’s Academic Planning Committee (a opportunities offered by this partnership Graduate Program: According to group responsible for formulating university AMOP: The Team praised the “high- and understanding the implications and the Review Team “the welcoming and The Review Team described our new goals and new initiatives) and the Nebraska quality expansion to nine faculty” in AMOP, constraints of working within it. collegial atmosphere in the department building as “truly spectacular.” They not- Coordinating Commission for Postsecond- noting the size and diversity of funding. and high quality faculty and facilities ed, however, that any increase in faculty ary Education (a constitutional agency guid- New efforts in high intensity, high energy make UNL attractive” to potential size would require additional space. Plans ing policies for the entire university system) density, ultra-fast lasers have brought the Teaching graduate students. Despite continu- do exist for expanding into a second floor we undergo a much more formal Academic group increased international recognition. ously growing enrollments in physics, above the new instrument shop (an option Program Review (APR). The APR includes a The Team considers the departmental hir- The Review Team “found the work “the number of TAs assigned to the De- in the original design). The Office of Insti- self-assessment of our performance in teach- ing plan to seek additional faculty with a being done in undergraduate education partment is woefully mismatched to the tutional Research and Planning prioritizes Dan Claes , Chair ing, research, and service, an analysis of our strong interest in high field laser physics and inspiring,” citing the department as be- number of students taught.” Additional all such capital projects, and we’re advised progress since the previous APR review, and able to take advantage of the Laser Science ing “among the best programs nationally.” TA lines, they pointed out, would pro- that this work awaits identification of an a chance to re-examine our long-term aspira- Collaboratory to be a wise move. This was They were impressed by “the modern vide for greater instructional support interested major donor. Meanwhile the The Review tions in light of revised College and Univer- the strategy that resulted in our recent hire classroom facilities,” “innovative lecture of undergraduate education. Indeed, well-equipped, staffed, and state-support- Team “ found sity goals. An important part of the review of Assistant Professor Matthias Fuchs. demonstrations,” and the “use of a wide a quick survey of the number of GTA- ed Instrument and Electronics Shops pro- is the report prepared by a visiting external range of online and electronic tools.” This and GRA-supported students (repre- vide access to precision work at affordable the work team of prominent physicists from peer insti- CMMP: The Team noted “this area has success is due to an established culture senting 2011-2013 data collected by the rates, an advantage that our faculty have tutions (which this time meant our colleagues grown impressively in both research productiv- of instructional innovation and excel- Midwest Physics Chairs Association and over competing universities in securing being done in at other Big Ten universities). These physicists ity and significance.” “The funding acquired… lence among the faculty. Institutional the listings in the latest edition of the federal grants. These rates have proved undergraduate had expertise that spanned the research fields is also very significant, highlighted by a suc- support for such initiatives is critical, American Institute of Physics’ Graduate important in securing the large projects of our department and also had administra- cessful NSF-MRSEC.” Bolstered by the (“gen- of course, and is exemplified by UNL’s Programs in Physics, Astronomy, and Re- the department has won and in creating education tive experience. erally expensive”) shared NCMN facilities, new interdisciplinary DBER (Discipline- lated Fields) shows more than a third of attractive startup packages for new faculty. inspiring,” citing The visiting Review Team lauded the con- the Team acknowledges nanoscience as Based Education Research) Group and Big Ten physics graduate students re- struction of Jorgensen Hall, the “impressive” the ideal direction for the CMMP group to UNL’s WIDER-EAGER grant from the ceive GTA support (0.38) through lines We found many things to celebrate the department accomplishments of the department, and the pursue. They point out this could prove a National Science Foundation (of which funded by their college. At UNL the in the report, as well as helpful advice strong governance that gives faculty “input to cornerstone for regional economic growth Research Associate Professor Kevin Lee fraction of GTA-supported lines is just we were grateful to receive and will “among the critical decisions about the program and to the provided physics continues to provide the is co-PI), both of which aim to improve 0.25. An increase in line with the Big work to implement. In this newsletter, best programs operations of the department.” They noted the intellectual motivation and leadership in instruction in STEM disciplines. The Ten average fraction of GTA-supported we are happy to share with you many well-funded research program (“indicating this highly collaborative area. The successful Team expressed concern, however, about graduate students would also allow us of the accomplishments and changes nationally.” strong recognition of quality by external grant completion of searches for two new CMMP the level of campus-wide IT support for to admit larger numbers of entering that so impressed the external commit- referees”) with many young faculty “extraor- faculty members (theorist Alexey Kovalev the development and maintenance of graduate students. tee. As always, we hope you’ll consider dinarily successful in garnering competitive and experimentalist Xiaoshan Xu) should web-based materials. “Online resources visiting sometime to see some of these funding such as CAREER grants and DoE early complement the strengths of the group. must be highly reliable” for students and changes first hand. career awards”, and, in particular, commented instructors, even in “an environment Outreach on the friendly and nurturing environment HEP: By attracting two major CMS where operating systems and commercial Sincerely, for new faculty. “The mentoring support is very [Compact Muon Solenoid] projects (a Tier- software licenses can change rapidly.” The Team found the Department’s well developed.” 2 computing center, and the Forward Pixel outreach efforts to be “exemplary” (ac- Upgrade) “the technical contributions of the Undergraduates: The Review Team cording to one team member “jaw-drop- Daniel R. Claes UNL HEP group are now well known.” The found “very engaged and generally happy pingly amazing”), thriving “on the un- Professor and Chair APR Team noted the group enjoys a greater undergraduate students” participat- usual enthusiasm of the faculty for getting Current Research impact within the large CMS collaboration ing in research and outreach activities involved.” The scheduling and logistics Program than many other U.S. groups. They did feel throughout the department and ac- of many of our most successful outreach “greater engagement with the theoretical com- tive in the local chapter of the Society activities (the Big Red Road Show, the Sci- The Team praised the Department’s munity would heighten the intellectual impact of Physics Students (SPS). Discussion ence Café, the NanoScience Camp, Bright long-term plan to strengthen the promi- of the group” and suggested hiring a theorist with majors confirmed to the Team that Lights, and the annual WoPhyS Conference nent research efforts in Atomic, Molecular, to “strengthen the international scientific im- astronomy remains a “strong motivator for Undergraduate Women in Physical Optical, and Plasma Physics (AMOP), and pact of the group.” for students to study physics” with some Sciences) are heavily dependent on the New Faculty Profile New Faculty Profile department news

Matthias Fuchs Alexey A. Kovalev Woollam Wins SPECTRUM 7 atthias Fuchs joined the Atomic, Physics of Beams. Fuchs was also the first performed at both existing X-ray FELs (at lexey Kovalev Kovalev’s 2011 paper on “Macrospin MMolecular, Optical, and Plasma author on a 2009 paper with the same title that time), SACLA (in Japan) and LCLS. Ajoined the Tunneling and Magnetopolaritons (AMOP) physics group in January 2013. He that was published in Nature Physics. These studies enabled him to demonstrate Department’s with Nanomechanical Interference” APS Prize for was selected as the top candidate in a search In 2010, Fuchs took a postdoctoral for the first time some fundamental Condensed Matter was selected as an Editor’s Selection by carried out in the 2011-2012 academic year position in the group of Professor David coherent nonlinear X-ray effects. He was and Materials the editors of Physical Review Letters. for an experimental physicist with interests Reis at Stanford University and the also a main contributor to an experimental Physics (CMMP) It was also the subject of a Physics Industrial in intense laser physics. Part of Fuchs’ Stanford PULSE Institute at SLAC National demonstration of a novel technique for group in August Viewpoint essay, “Spintronics Meets 6 SPECTRUM research will be carried out in the Diocles Accelerator Laboratory in Menlo Park, CA, investigating ultrafast dynamics in solids. Alexey A. Kovalev 2013, following a Nanoelectromechanics,” by T. Kontos of Extreme Light Laboratory and part will be to work on ultrafast At UNL, Fuchs’s research is focused highly competitive the Ecole Normale Supérieure in Paris, Applications of carried out in new laboratories adjacent to and high-field X-ray on demonstrating the next generation of international faculty search. His interests who writes: “Coupling a nanoscale the Diocles Lab. experiments. A X-ray light sources and the first applications align with the missions of the CMMP object with a resonator is interesting Physics Fuchs, a German citizen, received his year later he was of their radiation. A novel acceleration group and with the Nebraska Center for from both a practical and a fundamental undergraduate degree in physics from the awarded a $400,000 technique (laser-wakefield acceleration), Energy Sciences Research, the Nebraska point of view. On the practical side, University of Stuttgart and his M.S. degree Peter-Paul-Ewald employing an ultra-high intensity laser, is Center for Materials and Nanoscience, the parametric coupling between a in physics from the University of Oregon. Fellowship, funded planned to serve as a driver for a table-top, and the NSF-funded Materials Research small system and a resonator that acts His doctoral research was carried out at the by the Volkswagen electron-beam-based undulator source of Science and Engineering Center for as a detector can be used to probe very Max Planck Institute for Quantum Optics Foundation, in ultra-brilliant X-ray pulses with unique Quantum and Spin Phenomena in small charges, masses, or magnetic outside Munich in the framework of the support of cutting- properties. A main objective is to use such Nanomagnetic Structures. moments. On the fundamental side, International Max Planck Research School Matthias Fuchs edge research intense X-rays to carry out pump-probe Kovalev grew up in Kirov, a Russian a system with microscopic degrees for Advanced Photon Science. He received with free-electron experiments capable of resolving ultrafast industrial and transportation hub 600 of freedom coupled to a harmonic his Ph.D. degree summa cum laude from lasers (FELs) at dynamics with much finer temporal miles east-northeast of Moscow. Early on, oscillator is a very important paradigm the Ludwig-Maximilian University in SLAC’s Linac Coherent Light Source resolution than even current free-electron- he developed an interest in mathematics of quantum mechanics since it allows Munich. His thesis on “A Laser‐driven (LCLS). At Stanford, Fuchs helped build laser (FEL) sources can reach. In addition, and theoretical physics, which led him us to understand deeply the processes of Soft‐X-Ray Undulator Source” was awarded and characterize the world’s brightest he will continue his work in high-field to undergraduate study with the group measurement and amplification.” the John Dawson Thesis Prize in 2011 by laboratory terahertz light source. He also physics, studying fundamental nonlinear of Nobel Laureate V. L. Ginzburg at At UNL, Kovalev’s research will the American Physical Society’s Division of led and collaborated on a series of studies quantum electrodynamics (QED) effects. the Lebedev Physical Institute of the be focused on theoretical aspects of Russian Academy of Sciences in Moscow. spintronics, especially those associated by Anthony F. Starace He moved on to graduate study at with the interplay of the spin, energy the Moscow Institute of Physics and and charge transport in systems with John A. Woollam New Faculty Profile Technology, receiving his M.Sc. degree topological defects and in which with Highest Honors in 1999 for his the roles of magneto-electrical and thesis on “Spin-charge excitations in magneto-mechanical interactions are Xiaoshan Xu two-dimensional Kondo lattice model important. His research interests include ohn A. Woollam, George Holmes iaoshan Xu joined the Department’s out and completed in 2007 at Georgia Nano Letters. In of high Tc cuprates.” In 2002, he entered fundamental aspects of thermalization of JDistinguished Professor of Electrical XCondensed Matter and Materials Institute of Technology where he worked in addition to these the doctoral program of the Technical magnetic, electronic and lattice degrees of Engineering and Professor of Physics and Physics (CMMP) group in August 2013. the field of magnetism and ferroelectricity groundbreaking University of Delft, The Netherlands, freedom in ferromagnetic structures. In Astronomy, was awarded the American He was the top candidate in a very of metal clusters. Following a 2-year findings he has receiving his Ph.D. degree in 2006. His addition, he will explore various aspects Physical Society’s 2013 Prize for Industrial competitive search carried out in the 2012- postdoctoral appointment at the University worked on the doctoral dissertation, titled “Electrical of quantum information theory in the Applications of Physics. He was cited “For 2013 academic year that sought to attract a of Tennessee, in 2010 he joined the research spectroscopy and Mechanical Magnetization Torques,” context of condensed matter physics sustained contributions to commercialization world-class experimental physicist to add staff at Oak Ridge National Laboratory, of multiferroic included a generalization of the theory and quantum computing. This work has of spectroscopic ellipsometry, including greatly strength and new vision to the successful where he was awarded a Eugene P. Wigner materials in high of spin transfer torque effects to metallic applications to many areas of information improved instrumentation and numerous new collaborative research activities taking place Fellowship and was successful in winning magnetic fields and multilayer systems. technology, data storage, computing, applications.” Woollam received his Ph.D. within the framework of UNL’s Materials several large research grants funded by the magneto-chromism From 2006-2008, he held a post- sensors and transducers, cryogenic in condensed matter physics from Michigan doctoral position at Texas A&M refrigeration, and energy harvesting. He State University in 1967. He joined UNL in Science and Engineering Center (MRSEC) Laboratory Director’s R&D SEED Fund. of the archetypical Xiaoshan Xu University where he investigated 1979 and is a Fellow of both the APS and and the Nebraska Center for Materials In the 2012-13 academic year, he was a multiferroic BiFeO3. also has an abiding interest in teaching and Nanoscience. Xiaoshan adds to the research associate at Bryn Mawr College At UNL, Xu by means of ab initio calculations theoretical physics and in mentoring the American Vacuum Society. In 1987 international competitiveness of UNL’s prior to joining our Department. will construct and set up a world-class spin-orbit effects in dilute magnetic students in theoretical condensed matter he founded the J.A. Woollam Company, materials science research program through Xiaoshan Xu’s research pulsed-laser deposition chamber. One of semiconductors and the anomalous Hall and materials physics research. which has become a worldwide leader in his expertise in pulsed laser deposition accomplishments are remarkably broad, his major objectives is to utilize state-of- effect. He did additional post-doctoral spectroscopic ellipsometry. The company methodology. His experience paves the way ranging from the fields of multiferroics, the-art growth methodology to fabricate work at UCLA during 2008-2010, by Stephen P. Ducharme and holds over 140 ellipsometry-related patents for UNL to compete successfully in oxide ionicity in metal oxides, spin liquids in nanostructured epitaxial thin films of working on spin-orbit interactions, spin Anthony F. Starace and employs over 50 people, most of whom materials research with special emphasis frustrated magnetic oxides, and organic multiferroics and half metals following transport, and other theoretical aspects are engineers and scientists dedicated to on room temperature multiferroicity. His semiconductors, to magnetism and up on his recently discovered new class of of spintronics. This was followed in 2011 advancing ellipsometry and its applications. immediate research goals are to explore the ferroelectricity of metal clusters. He has room temperature multiferroic hexagonal by an appointment as Assistant Project The prize includes $10,000 and a certificate. physics of low-dimensional complex oxides authored a monograph entitled “The ferrites. His broad background adds Scientist at the University of California- It is awarded in odd-numbered years, on the nanometer scale, at which quantum Magnetism of Free Cobalt Clusters: A Study experimental expertise to the CMMP Riverside, where he worked on magnetic beginning in 2009. Woollam is the third size effects can change electronic structures Using Molecular Beam Method” published group in the area of oxide thin film textures and quantum computing. recipient. and lead to novel physical properties that in 2008 by Akademikerverlag. His research growth methods and strengthens its can be manipulated and thus controlled. publications include a 2003 paper in Science competitiveness in the modern field of Xu received his B.S. degree in physics on ferroelectricity in free niobium clusters, electrically-controlled magnetism. in 1997 and his M.S. degree in condensed eight Physical Review Letters, including one matter physics from Nanjing University in 2013 on room-temperature multiferroic by Christian Binek and Anthony Starace in 2000. His Ph.D. research was carried hexagonal LuFeO3 films, and three department news department news

Hong Wins NSF CMP Faculty Lead New Center for SPECTRUM | Career Award NanoFerroic Devices ssistant Professor Xia Hong has won a prestigious The Semiconductor Research Corporation (SRC) and the Center (MRSEC) have made in exploring nanomaterials with National Science Foundation (NSF) CAREER National Institute of Standards and Technology (NIST) have unique properties that may prove the key to surpassing the SPECTRUM A

| award for her proposal entitled “Interface Engineered awarded a UNL physics team a five-year, $7.125 million contract limitations of current technology. “It’s extremely important that we

Multiferroics and Nanoscale Phase Modulation in Complex to lead a new Center for NanoFerroic Devices (CNFD) as part of have MRSEC at the University of Nebraska–Lincoln because the 9 8 Oxide Heterostructures.” The $600,000 award from NSF’s SRC’s Nanoelectronics Research Initiative aimed at developing a new center is a natural continuation of the research that we’ve been Division of Materials Research started 1 February 2012 for new generation of electronic devices. George Holmes Distinguished doing,” said Tsymbal, who is also MRSEC’s director. “Now we’re five years. The CAREER award is NSF’s most prestigious University Professor Evgeny Tsymbal is the Center Director rising to a new level.” grant for outstanding pre-tenure faculty to help them and Charles Bessey Professor Peter A. Dowben is the Center’s Advances in silicon-based technology have made electronics develop as teacher-scholars and researchers. Operations Director. ever smaller, faster and less expensive. But industry experts believe Hong’s research program focuses on the novel coupling The Center, led by UNL, partners with researchers from UC- this technology will reach its limit within the next decade. That’s between electronic and magnetic states and on the local Irvine, U. Wisconsin-Madison, SUNY-Buffalo, U. of Delaware, and because today’s electronics use an electric charge to store and control of phase structures in artificially-designed complex Oakland U. as well as with the SRC industry consortium. Its stated process information. Charges leak energy, generating heat and oxide nanostructures and interfaces. Her first goal is to mission “is to develop non-conventional, low-energy devices based limiting the number of transistors that can be packed onto a chip. fabricate artificial oxide nanostructures, where an array of on innovative functional materials systems and conceptually novel They also use energy, reducing battery life. ferroelectric pillars is embedded in a magnetic host material approaches for device operation. Research involves exploration The new center’s research will pursue three promising “themes” with the interface registered with atomic precision, and of properties, materials, structures, and phenomena non- for new devices. Each takes advantage of unique, nano-scale then to investigate the coupling mechanism between the traditional for existing technologies, such as magnetoelectricity, properties that require much less energy, which would enable more magnetic and electric states. Her second goal is to create ferroelectricity, and spin dynamics. CNFD exploits these concepts compact and powerful devices: and study nanoscale phase structures in correlated oxide in novel devices utilizing state variables different from charge and Ferroelectric Devices Theme: Professor Alexei Gruverman will thin films through size confinements or ferroelectric exhibiting significant switching effects that are robust enough to be lead a team based on his and Tsymbal’s work focused on nano- field effect modulation. Her long-term goal is to apply the harnessed as manufacturable technologies.” thin ferroelectric oxide, a material with both positive and negative understanding achieved through this research to produce “Our faculty’s leadership of this collaborative research polarization directions that can be reversed by switching voltage, endeavor sponsored by a leading research consortium and the which doesn’t generate heat. That duality is important because federal government is the latest recognition of UNL’s strength the polarization direction can be read like a binary code to store BTW, Ms. Allen asked me if you She mentioned that Prof. Lee liked would be interested in taking the AP your comment in his lecture very much. in nanotechnology and materials science,” Chancellor Harvey information. Gruverman and colleagues have shown that reversing course next semester. Then you can He said they need more motivated, do a summer intern in Prof. Lee‛s creative young women, like you, to do Perlman said. The center will harness the significant advances UNL the polarization changes the level of resistance as electrons pass laboratory. physics! and its NSF-funded Materials Research Science and Engineering between electrodes. Measuring that resistance would allow the ...continued on page 11

collaboration,” she added. “We

Physics? Is need a theoretical point of view to that it? understand the new properties we are studying.” The required educational goal of the CAREER award is to engage students, especially women, to be interested and involved in physics studies at an early age. Hong has begun to create a series of cartoon stories (“Phis’s World”) centered Phis gave this idea a serious thought, “Why on an easily accessible girl not? It‛s really cool. And it makes me feel character named Phis. In these very special.” cartoon stories, Hong presents Episode 1: Phis wants to be a physicist 5 a beginner’s perspective of basic physics problems and explores how physics can be approached novel oxide-based electronic and spintronic (solid state) devices outside the classroom. The stories are disseminated to the public that can transcend the performance limits of the devices utilized in on the Web: http://www.physics.unl.edu/~xhong/hong/Phis/ current information technology. Students involved in these projects PhisHome.html. will receive training in advanced experimental techniques and will “Many people think physics is very difficult,” Hong said. “I advance the research frontiers in condensed matter physics. thought it was a good idea to use a teenage girl’s point of view to “My research is very complementary to the existing efforts illustrate physics principles, not using extensive math equations, but here,” Hong said, particularly the theoretical work of Professor how they operate in real life, to make physics more likable.” Physics faculty involved with the new Center for NanoFerroic Devices, from left, are: Alexei Gruverman; Evgeny Tsymbal, director of UNL’s NSF-funded Materials Peter Dowben, CNFD associate director; Kirill Belashchenko; Xia Hong; and Evgeny Tsymbal, CNFD director. Research Science and Engineering Center. “There is a lot of by Terese M Janovec Not pictured, Christian Binek. 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research instrumentation grant from the the from grant instrumentation research amajor with purchased microscope tron elec high-resolution million $2 a including equipment, new in million $8 tonearly cess T R Nanoscience above the (2011), for equipment new provided which faculty; it will certainly be one of be S certainly it will faculty; engineering and chemistry, physics, 80 than M of $6.3 award of Defense Department a multi-investigator C legacies. enduring search C search N providing Hall Jorgensen adjoins facility he new center now offers researchers ac researchers now offers center he new CM emory, S N C enter. T entral R entral ensor and E and ensor for “Nanoelectronic M for “Nanoelectronic hair hair his new 32,000-square-foot 32,000-square-foot new his - esearch Facilities for more for more Facilities esearch omplementing this was was this omplementing nergy Devices” Devices” nergy those expectations. those to meet endeavors Langan And said. education,” Langan their in for ask can way, they agood towhat in as expectations, high have “ needs. evolving on students’ apulse to keep and ogy of P Association American of the C assistants, teaching toall feedback important and frequent provide that assessments mid-term and observations classroom initiated He also social. cream ice aDepartment-wide in culminates that the Fall 2012 issue of the College of Arts and Sciences’ Columns magazine. Columns Sciences’ and Arts of College the of 2012 Fall the issue and release 2012 aJune from news adapted is article This Editor’s Note: esearch C esearch laes said. As of 2013, Langan is vice chair of the Nebraska C Nebraska of the chair vice is of 2013, As Langan said. laes Langan strives to stay on top of continually advancing technol advancing on top of continually tostay strives Langan ellmyer’s ellmyer’s enter. enter. - - By Daniel Claes By Daniel earned career award. well- of this receipt on the him congratulate U to the service continuing and vision, dedication, of record four-decades For his support. of over $105 aportfolio aged man he has sources, Foundation and university, state, Including grants. external over $79 in for bringing responsible S David commitments, C Nanofabrication a ing includ space, research high-tech gain also S National In total, counting current grant grant current counting total, In E of P group the joined Langan when 2002 Since sky,”to the he said. applied physics purely is astronomy out, “As physics. it turns with tion afascina into translated astronomy love for his that quickly He found toU him Trek Star Wars with fascination papers concerning T concerning papers research nine on at least a co-author ate students and teaching assistants assistants teaching and students ate gradu new Department’s for the orientation summer a instituted Langan ideas, winning other Among U the attend to sons seven their encouraged who to honor M C Jessie and by James created Fund, M Kositzky the from support with established was ity Variable S Variable Jorgensen Hall. T Hall. Jorgensen in located center resource student the Kositzky C Kositzky the for computers desktop additional and servers computer purchase to Department the allowed that NA dward G. S G. dward niversity of Nebraska–Lincoln, we we of Nebraska–Lincoln, niversity Langan obtained in 2011 a $5,000 2011 in a$5,000 obtained Langan A Nebraska S SA Nebraska hysics T hysics . T cience Foundation. R Foundation. cience hat interest eventually led led eventually interest hat NL as an undergraduate. undergraduate. an as NL Lyrae S Lyrae RR an and tars r. C eachers. niversity of Nebraska. of Nebraska. niversity chmidt, Langan has been been has Langan chmidt, omputing Facility, a a Facility, omputing oe’s immigrant parents parents oe’s immigrant emorial E emorial he computing facil he computing ellmyer has been been has ellmyer pace mini-grant mini-grant pace leanroom Facility. leanroom ype II C II ype in research research M in quipment quipment T Star Star and esearchers esearchers hey really really hey epheid epheid rofessor rofessor in M in - hapter hapter - tar. - oe oe

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SPECTRUM 1 3 3 1 department news BRIEFLY NOTED….

Department Hosts Summer REU Site Skomski Promoted to Gay Lectures on Football 5 SPECTRUM 1 Research Full Professor Injuries; Testifies Before Congress Program on “Lasers and Optics” Ralph A. Skomski was promoted Professor Timothy Gay lectured on “Football: Its Physics and to Research Full Professor start- or three consecutive summers (2010-2012) Professors Kees radar station in Omaha, Future” to a large audience in Memorial Stadium on April 5th, 2013. ing in the 2013-2014 academic Uiterwaal and Herman Batelaan managed a National Advanced Medical His Nebraska Lecture was sponsored by the Office of Research and F year. His high stature in his field Science Foundation funded Research Experiences for Under- Imaging in Lincoln the Research Council. Gay discussed the physics involved when is apparent from the comments graduates (REU) site program on “Lasers and Optics” in our (employing both X-Ray two opposing players collide in a

14 SPECTRUM of his external references, one of Department. Over the three summer programs, a total of 368 and MRI technology), tackle and addressed the underlying whom said he is “unquestionably a students applied to fill the 28 positions that were funded. Ap- the J.A. Woollam Co., origin of the brain injuries that may world-leading expert in magnetic plications required transcripts, reference letters, and a letter Inc. in Lincoln (an opti- Emily Kuehnemunde (from Indiana University South Bend) result. He covered efforts to improve modeling of intrinsic and extrinsic of application. The GPA of the accepted applicants was 3.75 cal company, founded by presents a poster on her summer 2011 REU research project to player protective gear as well as rules properties of a variety of mag- and 33% of the students were from underrepresented groups. UNL Electrical Engi- Professor Donald P. Umstadter. designed to reduce injuries. He then netic materials and structures.” Of the 28 accepted students, four came from Ph.D.-granting neering Professor John speculated on how player injuries Another asserted that his Topical institutions, two from an institution having a masters program, A. Woollam, that spe- and the subsequent litigation against Review on “Nanomagnetics” [J. and 22 from physics programs in which the highest degree is a cializes in ellipsometry), Li-Cor Biosciences in Lincoln (which team owners may impact the future Phys.: Condens. Matter 15, R841 (2003)] is “one of the most influ- bachelor of science/arts. This was consistent with the REU pro- designs and manufactures equipment for environmental and of the game. Gay is renowned for his ential theory papers” in nanotechnology. Skomski earned his Ph.D. gram’s goal to help make research available to students having biotechnology research), and Airlite Plastics Co. in Omaha one-minute “Football Physics” les- in 1990 at the Technical University in Dresden. He did postdoctoral less access to research facilities and activities. (which employs machine vision to manufacture plastic food sons that were shown during the 1999 research at Trinity College-Dublin (1991-95) and at the Max Planck The students spent most of their time working on research and beverage containers). Social activities during the summer -2004 seasons during breaks in home Institute for Microstructure Physics in Halle (1996-97). He joined projects in the laboratories of Profs. S. Adenwalla, H. Batelaan, included an outdoor barbeque and a day of sailing at Branched football games, and a similar series our Department as a visiting assistant professor in 1998 and since M. Centurion, D. Claes, P. Dowben, M. Fuchs, T. Gay, K. Lee, Oak Lake outside of Lincoln. he did for NFL Films. He subsequently wrote a book, The Physics of 2000 has held research faculty appointments. B. Shadwick, G. Snow, C. Uiterwaal, and D. Umstadter. Six In exit interviews, the REU students reported that they Football (HarperCollins, New York, 2005). Most recently, he testified one-hour formal lectures on laser principles, mode-locked had a great time and learned a lot of physics and much about on March 13th, 2014, at a hearing on sports safety before the U.S. lasers, frequency combs and their applications, slow and fast its applications. Batelaan and Uiterwaal were greatly assisted House of Representatives Energy and Commerce Subcommittee light, non-linear optics, and the orbital angular momentum throughout the summer by Terese Janovec, Assistant Director Sellmyer Named AAAS Fellow on Commerce, Manufacturing and Trade. The hearing focused on of light were also given to the students. Additional lectures on and Education-Outreach Coordinator of the Nebraska Center what the sports industry is doing to protect players, ranging from laser safety were given by the UNL Environmental Health and for Materials and Nanoscience. The UNL Office of Graduate David J. Sellmyer, George Holmes University Professor of Physics, youngsters to professionals. Gay spoke on ways to reduce injuries Safety Office. Visits were organized to local private research Studies provided much assistance with the administration of was named a Fellow of the American Association for the Advance- in football, such as by improving equipment and introducing new organizations, including KETV’s “Super Doppler” weather the REU site. ment of Science (AAAS) in Fall 2013. His citation reads: “For game rules. Gay’s Nebraska Lecture may be viewed online: distinguished contributions to the physics of magnetic materials http://research.unl.edu/nebraskalectures/spring-2013-nebraska- and nanostructures and for scientific leadership as director of the lecture-football-its-physics-and-future/ Nebraska Center for Materials and Nanoscience.” Sellmyer was His Congressional testimony may be viewed at 30.5 minutes into BRIEFLY NOTED…. nominated by Anthony F. Starace, with supporting letters from the following video: Mildred S. Dresselhaus (Institute Professor of Physics, M.I.T.) and http://www.c-span.org/video/?318281-2/sports-safety-brain-injuries- copy as a probing and controlling tool of nanoscale phenomena in Ramamoorthy Ramesh (Professor of Physics and Materials Science, scientific-panel ferroelectric and piezoelectric heterostructures.” A year earlier, at U.C.-Berkeley). The 2013 Fellows were honored at the AAAS An- the Honors Convocation on April 14th, 2013, Tsymbal was awarded nual Meeting in Chicago in February 2014. a George Holmes University Professorship. Tsymbal, director Rhynalds Named of the NSF-funded Materials Research Science and Engineering Center, joined UNL in 2002 and is renowned for his computational Instrument Shop research elucidating fundamental properties of ferromagnetic and Three Faculty Named ferroelectric nanostructures and materials relevant to nanoelec- Manager tronics and spintronics. He is also an APS Fellow. Outstanding Referees The editors of the American Physical Society (APS) have Robert (Bob) Rhynalds, a scientific instrument recognized three additional faculty members in the Department maker in the Instrument Shop serving the Depart- Lu Wins Outstanding GRA as Outstanding Journal Referees. Associate Professor Kirill ments of Chemistry and Physics and Astronomy, Belashchenko was recognized in 2014, Research Professor Ralph has been promoted to manager of the Instrument Award Skomski was recognized in 2013, and Research Assistant Professor Shop. He succeeds Mike Jensen, who left in 2012 to manage the Gruverman and Tsymbal Serguei Kalmykov was recognized in 2011. The APS Outstanding Physics Department Instrument Shop at the University of Minne- Graduate student Haidong Referees Program was begun in 2008 “to recognize those scientists sota. Rhynalds joined our Instrument Shop in 2001. In March 2010, Awarded Endowed Chairs Lu (M.S. 2011, Ph.D. 2013) re- who have been exceptionally helpful in assessing manuscripts for he won a College of Arts and Sciences Applause Award in recognition ceived an Outstanding Gradu- publication in the APS journals.” By means of the program, “APS of his high standards of quality and craftsmanship, the pride and Alexei Gruverman and Evgeny Tsymbal have been awarded ate Research Assistant Award expresses its appreciation to all referees, whose efforts in peer genuine interest he takes in his projects, and for his ability to solve endowed chair professorships in recognition of their outstand- in 2013 from the UNL Office of review not only keep the standards of the journals at a high level, difficult problems. More recently, he was recognized at the October ing research contributions and the impacts of their research on Graduate Studies. His doctoral but in many cases also help authors to improve the quality and 28th, 2011, NU Board of Regents meeting with a University KUDOS their fields. At the Honors Convocation held on April 13th, 2014, thesis research adviser was readability of their articles….” Each year the APS recognizes about Award, which noted, in addition to his superb skills, the valuable Gruverman was awarded a Charles Bessey Professorship. Gruver- Professor Alexei Gruverman. 150 of the roughly 60,000 currently active referees for its journals. guidance and education he provides students concerning their shop man joined UNL in 2007. In 2013 he was named a Fellow of the Lu is currently a postdoctoral These three faculty join six others in the Department who have projects. Besides Rhynalds, the shop staff includes three other instru- American Physical Society (APS); the nomination put forward by research associate in Gruver- previously been named outstanding referees: I.I. Fabrikant (2009), ment makers: Keith A. Placek, Patrick Pribil, and Michael Thomp- the APS Division of Materials Physics cited him “for pioneering man’s group. T.J. Gay (2009), R.J. Hardy (2008), S. Jaswal (2010), A.F. Starace son. Owing to increases in the number of external grant awards and contributions to the development of piezoresponse force micros- (2008), and D. Umstadter (2008). in the number of new faculty hires, demand for shop services has increased significantly. To meet these needs of cutting-edge research, the Shop is continually enhancing its capabilities. research highlights research highlights

HEP Group Part of Higgs Boson Discovery Batelaan Group Demonstrates Controlled 7 SPECTRUM 1 NL’s experimental high-energy phys- the result. The CMS experiment, which field. The Higgs boson proves the existence Uics team, along with colleagues from UNL’s high energy physics (HEP) group is of the Higgs field. Double Slit Electron Diffraction around the world, had good reason to cel- part of, published its definitive result in the Dubbed by the media as the “God ebrate in 2012. For decades, they’ve pursued 17 September 2012 issue of Physics Letters B Particle,” the Higgs boson explains why n 2008, Professor Herman Batelaan received a phone call the oil drop experiment mean for microscopic or quantum- a collaborative hunt for the elusive Higgs [“Observation of a new boson at a mass of some particles have mass and others do Ifrom Damian Pope, the outreach director of the Perimeter mechanical wave-particle duality? An international group of boson particle. Finally in July 2012, physi- 125 GeV with the CMS experiment at the not, according to Professor Gregory Snow. Institute for Theoretical Physics in Waterloo, Ontario. The In- physicists (labeled the “band of rebels” by Morgan Freeman’s cists at the CERN laboratory in Switzer- LHC,” Phys. Lett. B 716, 30 (2012)]. In Oc- CERN’s atom-smashing Large Hadron stitute was making educational movies for high school students televised show “Through the Wormhole,” which popularizes 16 SPECTRUM land announced the observation of a new tober 2013, the Royal Swedish Academy of Collider has been generating high-energy on topics that would cover exciting physics. Pope wished to science) is searching for a theory of “emergent quantum particle whose characteristics matched the Sciences awarded the Nobel Prize in physics collisions of protons in its search for this cover wave-particle duality to highlight the mystery of quan- mechanics.” Such a theory would be one that can have hidden long-theorized Higgs boson. Two compet- to theorists Peter Higgs and Francois En- final piece of the theoretical framework tum mechanics. The Institute had found electron diffraction variables from which (upon averaging) quantum mechanics ing experiments, the ATLAS and the CMS glert to recognize their work developing the known as the Standard Model of particles data taken for a grating by Roger Bach (M.S. 2011) when he was emerges. ’t Hooft comments on such theories that this may be collaborations, independently confirmed theory of what is now known as the Higgs and forces. Without the Higgs boson, the an undergraduate student in Batelaan’s group. Batelaan looked possible, but you should be careful what you wish for as the Standard Model cannot explain at the Institute’s movie on dark matter, liked it, and agreed to theory may be so complex as to not be very useful. Batelaan’s how most of these particles acquire participate. The Institute film staff would need to come for two group plans to stick with quantum mechanics, at least for the their mass, a key ingredient in the days, and a date was set. Damian Pope had one small question. time being. formation of the universe. Would it be possible to replace the grating with a double slit? “We now have firm, statistically Batelaan approached Professor Sy-Hwang Liou, and with his significant evidence that we’ve help the double slit was made and the experiment was put to- observed a new particle—a particle gether. The film crew was enjoyable to work with. They in turn that has a mass that is consistent noted that it was great fun to film Batelaan’s group at work. with what we have expected to see The script called for following Feynman’s account of the with the Higgs boson,” said Snow, double slit experiment as given in The Feynman Lectures on founding member of UNL’s team Physics, Vol. III. In researching the literature, Batelaan and his that has aided in the Higgs search group found to their surprise that no one had actually done an since 1993. UNL’s contributions experiment showing the build-up of the electron diffraction to the CMS experiment included pattern one electron at a time. Akira Tonomura’s famous build- the construction, installation, and up pattern (that one can find in Wikipedia and in many books) is actually done for a biprism wire. This may not matter much for a physicist, but for the high-school audience for which the film is targeted it is best to be as close to the original thought experiment as possible. The filming worked out nicely and the Event recorded with the CMS detector in 2012 at a proton-proton center-of-mass energy of 8 TeV. The event shows characteristics Batelaan group’s experiments appear in the Perimeter movie expected from the decay of the standard model Higgs boson to a pair of Z bosons, one of which subsequently decays to a pair of “The Challenge of Quantum Reality,” which also features electrons (green lines and green towers) and the other Z decays to a pair of muons (red lines). This particular event could also be due to known standard model background processes, but a preponderance of such events over the expected background rates led Stephen Hawking. CMS to declare a 5 sigma discovery of a new boson on July 4, 2012. Roger Bach, who continued to work in Batelaan’s group as a graduate student, decided that he wanted to make the experimental data better, since the double slit experiment had monitoring of the silicon tracking detector, Hadron Collider’s experiments. not yet been published. The group’s results were published which helped identify traces left by the Kenneth Bloom is the Tier-2 in the New Journal of Physics [R. Bach et al., New J. Phys. 15, particle’s decay. The team also contributed Project Manager for the United 033018 (2013)] with supplementary movies of the build-up Figure 1: Members of UNL’s experimental high–energy physics team. Back row: Ilya to different aspects of data analysis with States in the CMS experiment and Kravchenko, Daniel Knowlton (M.S. 2011), Daniel Claes, Rami Kamalieddin, and Gregory of the double slit diffraction pattern, one electron at a time CMS as the pursuit of the particle narrowed. is co-primary investigator on the Snow. Middle row: Cameron Bravo (B.S. 2013), Ekaterina Avdeeva, Kenneth Bloom, and [http://iopscience.iop.org/1367-2630/15/3/033018/media]. Aaron Dominguez. Front, center: Rachel Wilken. Bravo was an undergraduate student and Along with Snow, the UNL team UNL part of the project with Aaron Avdeeva, Kamalieddin, and Knowlton are current graduate students in our HEP program. Roger added results obtained when one or the other of the two includes Associate Professor Kenneth Dominguez and computer scientist Wilken was a visiting graduate student from the HEP group at the University of California- individual slits were closed, as Feynman ordered, for good Bloom, Professor and Department Chair David Swanson, director of UNL’s Riverside. (Photo by Craig Chandler, University Communications) measure (see figure). Daniel Claes, Associate Professor Aaron Research Computing Facility. Bloom The double-slit story does not end there. In a meeting in Dominguez, and Associate Professor is also Deputy Program Manager for first step into a new realm of understanding Italy in 2010, Batelaan learned of recent work in Paris showing Ilya Kravchenko, as well as several other U.S. CMS software and computing. the world around us. “wave-particle duality” behavior for bouncing oil droplets. researchers working in Lincoln, at CERN More than 1,700 scientists, engineers “While the discovery of the Higgs may The droplets were about 1 mm large and their behavior is in in Switzerland and at the Fermi National and graduate students from the United appear to close the list of fundamental the classical regime. Eric Jones, another graduate student in Accelerator Laboratory in Batavia, Ill. States collaborate on the experiments at the particles required by the existing theory, Batelaan’s group, has worked on reproducing the oil droplet The vast majority of U.S. scientists Large Hadron Collider, most of them on the truth is that the theory still has some features reported by the French group. That oil droplets participate in the Large Hadron Collider the CMS and ATLAS experiments, through mathematically inconsistent pieces “diffract” is not supposed to be possible, at least if you would experiments from their home institutions, funding by the Department of Energy that suggest there is actually more to be believe Feynman. After all, the individual detection clicks and remotely accessing and analyzing the data Office of Science and the National Science discovered,” Claes said. “There is still a lot the interference pattern are “the only mystery” of quantum through high-capacity networks and grid Foundation. to explore.” mechanics, and are completely non-classical. What does computing. UNL is one of seven CMS Tier- In many ways, Claes said, this 2 sites in the United States in the Worldwide announcement means the work has just Editor’s Note: This article is an edited and LHC Computing Grid, which combines begun. Scientists will need to observe updated version of an article in the Fall Double slit electron diffraction patterns as the transmission “window” in the the computing power of more than 140 and precisely measure that the particle’s 2012 issue of the College of Arts and Sciences upper left inset figures moves across the double slit. independent computer centers in 34 behavior is consistent with theoretical magazine, Columns. countries to analyze results from the Large predictions. Its discovery represents only a 18 SPECTRUM A Writing of Polarization Ferroelectric Group Mechanical Gruverman Demonstrates highlights research tip of the AF of the tip needle sharp of the size small tothe but owing weak, are effects U gradient. astrain and polarization between coupling the flexoelectricity, is mechanism physical (AF forcemicroscope atomic of an needle sharp the using film ferroelectric thick of ananometer polarization the 2012 of Science issue 6April the in ported way to write ferroelectric memory bits using mechanical force.” mechanical using bits memory ferroelectric to write way T of ameter). billionths (10 10 nanometers than less typically is width contact sample T means. mechanical by purely material ferroelectric of the polarization of the writing voltage-free the enabled they that large so be to found were fields electric associated their and T lengths. noscale verman n international collaboration led by P by led collaboration international ( Lu Haidong student graduate and M , the strain gradients can be very large over na large very be can gradients strain , the he strain gradients produced by the AF by the produced gradients he strain he authors say that these results “open a results these that say he authors sually the flexoelectric flexoelectric the sually the ability to change tochange ability the Alexei Gru Alexei rofessor M . 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Tsymbal Group Participates in Discovery of Centurion Group Images Molecules with 1 SPECTRUM 2 New Class of Materials Electron Pulses n international team of scientists, including George Holmes Hellas in Greece, Nanyang Technological University in Singapore, n a Letter entitled “Imaging of Isolated AUniversity Professor Evgeny Y. Tsymbal, Research Assistant and Sungkyunkwan University in South Korea. Using advanced IMolecules with Ultrafast Electron Pulses” Professor J. B. Burton (B.S. 2003, M.S. 2006, Ph.D. 2008), and synthesis methods, scientists were able to fabricate heterostruc- published in the 28 September 2012 issue of former graduate student Yong Wang (M.S. 2007, Ph.D. 2011), tures by depositing atomic layers of different materials, layer-by- Physical Review Letters, Associate Professor

20 SPECTRUM has discovered a new class of materials that could prove to be layer, in stacks of thickness of a few nanometers (one nanometer Martin Centurion, postdoctoral research as- very useful in developing new methods of creating computer is 1 billionth of a meter). Although neither of the constituent ma- sociate Christopher J. Hensley, and graduate memory. In the 18 September 2012 issue of Nature Communica- terials were ferroelectric, the composed heterostructures showed a student Jie Yang reported the achievement tions, the group reported the discovery of high-quality artificial pronounced ferroelectric polarization. of a long-standing research goal: imaging tri-layer superlattices with asymmetric structure composed of The nature of this phenomenon was unclear at first, but Tsym- isolated molecules in three dimensions with non-ferroelectric material layers that nevertheless show distinct bal’s group found the explanation of this behavior. They modeled atomic resolution. The ability to make such ferroelectric behavior that can be tuned by an applied magnetic the atomic structure and electronic properties of these materi- images is essential for elucidating the struc- field. Density functional theory calculations by Tsymbal’s group als by performing computations at UNL’s Holland Computing ture of complex molecules. It is also desirable indicated that the broken space inversion symmetry was the Center, which indicated that interfaces between the constituent for determining the intermediate states in origin of the observed behavior. This discovery opens the way for materials in the heterostructures were responsible for the ob- molecular transitions. fabrication of a plethora of artificial ferroelectric and magneto- served novel properties. The group obtained three-dimensional electric low-dimensional devices having the tri-layer superlattice “Crucially, our computations and analysis were decisive for (3-D) structural information of the structure and composed of transition metal oxides. These artifi- the understanding of the origin of ferroelectricity in the experi- highly-symmetric CF3I molecule cial materials may lead to new types of data storage devices. mentally synthesized heterostructures,” Tsymbal said. “We were (trifluoroiodomethane) by the following A ferroelectric material exhibits spontaneous electric polariza- able to elucidate the microscopic mechanism responsible for their procedure: They first aligned the randomly- tion, characterized by a positive electric charge on one side of the exciting properties.” In addition, Tsymbal said, the discovered oriented molecules along the central CI axis material and negative on the opposite side. The polarization can materials exhibited magnetoelectricity, an important functional with an intense, ultrashort (300 fs) laser be reversed by applying an electric field (from a battery, for ex- property that allows one to affect electric polarization by the pulse. When the molecules were maximally Martin Centurion in his lab. ample). These two possible polarization orientations make these application of a magnetic field. “This functionality is especially aligned, they then diffracted a collimated materials attractive for developing computer memory because interesting because of potential application in electrically-con- each orientation could correspond to zero or one. trolled data storage with significantly reduced energy consump- ultrashort (500 fs) beam of about 2000 electrons, each having an energy of 25 KeV from the molecules. From multiple diffraction patterns obtained in this way, the group used novel numerical algorithms to deduce the Experimental reconstruction molecular structure. The group’s results are the first of

of the CF3I molecule. Inset: their kind with temporal resolution better than 1 ps. theoretical model of the molecule, [Note: One picosecond (ps) is one trillionth of a second; 1 with the I atom at the top, the C femtosecond (fs) is one thousandth of a picosecond.] atom at the bottom, and the three This new technique provides in principle a means F atoms attached to the C atom. to obtain 3-D images of molecules that cannot be Large image: reconstruction of crystalized. However, Centurion’s team is focusing on the molecular structure from the experimental diffraction data. imaging molecular dynamics, i.e., fast structural changes Note that although the molecules during molecular reactions. “We are now getting to the are aligned, they can freely more exciting part of the project,” he says. One of the first rotate about the CI axis. Hence molecules that may be investigated is retinal, which is the reconstruction shows the involved in vision. Retinal changes shape rapidly when it cylindrical structure of the aligned absorbs light. “We know what it looks like before and after, molecules, but not the locations of but not in between,” Centurion says. The team also plans each F atom. to observe molecules involved in photosynthesis in order to determine how plants convert sunlight to chemical energy. Understanding this process may lead to improved solar energy conversion efficiency. Also, understanding damage to DNA molecules when they absorb UV radiation from the Sun may lead to better understanding of skin cancer and thus of better means to prevent it or treat it.

“Our discovery shows a possibility that researchers could tion,” Tsymbal said. “Our MRSEC dedicates strong efforts to Editor’s Note: This article is adapted from the published paper in engineer properties at the atomic scale and create new, artificial study magnetoelectric materials and has international recogni- Physical Review Letters, the Physics Focus article on that paper materials exhibiting novel functional properties not existing in tion in this field of research.” by Michael Shirber, and the UNL News Release dated 3 October their constituents,” said Tsymbal, who is director of UNL’s Mate- 2012 by Gillian Klucas. rials Research Science and Engineering Center (MRSEC). “This Editor’s Note: This article is adapted from a 19 September 2012 significantly broadens the class of known ferroelectric materials UNL Newsroom Announcement by Tom Simons. and provides possibilities to design new ferroelectrics.” The new materials were fabricated and characterized by researchers from the Foundation for Research and Technology- alumni news alumni news

Richards-Kortum Wins 2013 Lemelson- Greene Wins Hamburg Prize for 3 SPECTRUM 2 MIT Award Theoretical Physics n Valentine’s Day in them could be prevented curriculum has been institutionalized at n November 14th, 2013, (and consequently many nodes), its structure can appear similar O2013 Rebecca Rich- if hospitals in low-income Rice as an undergraduate minor in global OChris H. Greene (B.S. 1976), to that of a trilobite fossil. Hence, following the publication of the ards-Kortum (B.S. 1985), countries had access to health technologies. Richards-Kortum’s Distinguished Professor of Physics paper, the term “trilobite molecule” entered the physics lexicon. Stanley C. Moore Profes- a few low-cost technolo- bioengineering research lab develops at Purdue University, was awarded Chris Greene moved to Purdue in August 2012 following a

22 SPECTRUM sor and Chair of Bioengi- gies that combat the most miniature imaging systems to enable better the Hamburg Prize for Theo- highly successful tenure during 1989-2012 at the University of neering at Rice Univer- common causes of infant screening for oral, esophageal, and cervical retical Physics at the University of Colorado at Boulder, where he held the positions of Professor of sity, and her colleague, mortality.” Richards- cancer and their precursors at the point of Hamburg, Germany for his 2000 Professor Z. Maria Oden, Kortum said that “Queen care in low-resource settings. Her group prediction of highly-excited Rydberg learned that they had Elizabeth Central Hospital also works to integrate advances in nano- molecules, which were experimen- Trilobite-like structure of the electronic probability density of a Rb Rydberg molecule in which one of the 5s valence jointly won the $100,000 … is an extraordinary technology and microfabrication to develop tally observed in cold atomic gases 2 electrons is excited to an n=30 Rydberg level. Lemelson – MIT Award place that is committed novel, low-cost sensors to detect infec- in 2008. The 40,000 Euro prize was for Global Innovation. Rebecca Richards-Kortum to caring for the world’s tious diseases, including cryptosporidium, established in 2010 by the National Chris H. Greene The award recognizes the most vulnerable patients. malaria, and tuberculosis. In 2008, she was Center of Excellence on “Frontiers co-winners for their life- The physicians there have inducted into the U.S. National Academy in Quantum Photon Science” and is saving inventions and pioneering efforts shown us how simple innovations can of Engineering. She is also a fellow of the funded by the Joachim Herz Foundation. The prizewin- to inspire and lead students to invent and dramatically improve neonatal health, and Biomedical Engineering Society and the ner is selected and awarded by the Hamburg Center for deliver low-cost technological innovations they’ve inspired us to engage our students American Association for the Advancement Ultrafast Imaging, where the winner presents a lecture at to improve health care for people in de- in solving the challenges of newborn care of Science. the award ceremony. Greene has previously been awarded veloping nations. The co-winners donated in low-resource settings.” the American Physical Society’s Davisson-Germer prize their award toward the construction of Richards-Kortum is director of Rice Editors Note: This article is based on material (in 2010) and its first I.I. Rabi Prize (in 1991). a new neonatal ward at Queen Elizabeth 360°: Institute for Global Health Technolo- posted on the Web pages of Rice University’s The prizewinning work [C.H. Greene, A.S. Dickinson, Central Hospital in Blantyre, Malawi. gies, which she founded in 2007. In 2005, Department of Bioengineering. For a video in and H.R. Sadeghpour, “Creation of Polar and Nonpolar “Each year, more than 3 million babies die with the support of the Howard Hughes which the co-winners discuss their plans for Ultra-Long-Range Rydberg Molecules,” Phys. Rev. Lett. 85, within the first month of life,” Oden said. Medical Institute, she founded Rice 360º’s the award, see: http://www.youtube.com/watc 2458 (2000)] predicted that Bose-Einstein-Condensates “Ninety-nine percent of those deaths hap- undergraduate educational initiative, h?v=nE4TePkhHWo&feature=youtu.be have the temperature and density sufficient to allow the pen in the developing world, and many of Beyond Traditional Borders (BTB). The BTB existence over long times (10-100 msec) of the largest molecules ever produced (of the order of a thousand Bohr radii). Moreover, the highly-excited Rydberg electron (having a Physics and Fellow of JILA. At Purdue, he is building a program in principal quantum number n of about 30) would be highly degenerate atomic, molecular and optical physics. His charge is to hire four ad- and might have large orbital angular momentum. Such a molecule ditional faculty, two theorists and two experimentalists. Last year one Root Receives PECASE Award is predicted to have a large, permanent dipole moment that could be of the theory positions was successfully filled. This year a search for an easily manipulated and controlled with a static electric field. Since the experimentalist is under way. he White House announced on 23 December 2013 that Seth Root joined Sandia in 2008 for highly-excited electron’s wave function would have many oscillations TA. Root (B.S. 2000, M.S. 2002, Adviser: Robert Hardy) was the opportunity to work on the Z one of 102 researchers to receive a 2014 Presidential Early Career machine, the world’s largest pulsed- Award for Scientists and Engineers (PECASE), “the highest power facility. “You are working on a honor bestowed by the United States Government on science and platform that can generate pressure engineering professionals in the early stages of their indepen- and temperature regimes that are Webster’s Career Takes a Dramatic Turn dent research careers.” The awards were established by President accessible almost nowhere else to un- Clinton in 1996. Awardees are either employed or funded by the derstand material behavior at extreme ollowing his retirement in 2009 as a Groucho, and many more, tutors high school students Federal government. They “are selected for their pursuit of inno- conditions,” he said. Root’s team Fguidance engineer with the United generally performing in in math, physics, chemistry, vative research at the frontiers of science and technology and their combines theoretical and experimen- Seth A. Root Launch Alliance, a joint venture of Lock- one or two plays per year. English, etc. Gary also pre- commitment to community service as demonstrated through tal methods to noble gases—which are heed Martin and Boeing that provides Since 2006, Gary has also pares students for the ACT, scientific leadership, public education, or community outreach.” odorless, colorless, and chemically inert under standard condi- reliable space launch services for the U.S. written ten plays. His SAT, and PSAT standard- Seth Root is a researcher with Sandia National Laboratory in tions—at extreme pressures and high temperatures. In one experi- Government, Gary L. Webster (Ph.D. most recent play, A Simple ized examinations. Albuquerque, NM. As a graduate student at UNL, he worked with ment, the physicists cryogenically cooled xenon gas to a liquid and 1981, Adviser: Anthony Starace) rear- Case, was performed as a An avid tennis player, Professor Robert J. Hardy on shock wave phenomena. He earned then shock-compressed it to 8 million atmospheres of pressure. ranged his life to pursue his passions and staged reading in Novem- Gary is also an assistant ten- his doctorate in physics from the Institute of Shock Physics at “We were able to show that density-functional-theory simulations remain as busy as ever. Among those pas- ber and December 2013 nis coach at Mullen H.S., a Washington State University. One experiment he did as a graduate can capture the response of the liquid xenon at very high pres- sions is the theatre. Over the past decade, at the John Hand Theater Roman Catholic college- student there involved observing how benzene, a highly flammable sures,” Root said. The research helps explain the physics of atoms Gary has performed in numerous com- in Denver, CO, by the preparatory high school in liquid, reacted under the pressure of a shock wave. In the Summer with relatively high numbers of electrons and has helped verify and munity theatres in and around the Denver Firehouse Theater Com- Gary Leigh Webster Denver. Gary coaches the 2005 issue of Washington State Magazine, he was quoted as saying, improve theoretical methods used in computer simulations. area. In March and April 2013, he played pany. The play concerns a junior varsity (JV) men’s concerning the project he spent a week preparing and an entire the role of Dad in the play Leaving Iowa, female detective operating team in Fall, and the JV day setting up, “My whole experiment is going to last less than Editor’s note: This article is based upon the press releases of the White performing with the Evergreen Players at in a man’s world as she women’s team in Spring. two microseconds….You know, in my three years here, my total House (23 December 2013) and Sandia National Laboratory Center/Stage in Evergreen, CO. In Sep- pursues an investigation in Fort Worth, Besides coaching tennis, he himself competes experiment time is less than one second.” (17 February 2014). tember 2012, he played the role of Charlie TX in 1963. in U.S. Tennis Association League matches. in the play August: Osage County at The Teaching is another of Gary’s passions. Gary and his wife Kathy reside in Little- Dairy Center for the Arts in Boulder, CO. Together with his wife, Kathy, the Websters ton, CO. Email: [email protected] He has also played the roles of Norman in operate a tutoring business. While Kathy On Golden Pond, Serge in ART, Chico in tutors elementary school students, Gary alumni news alumni news physicist and astronomer by the 7th grade. When accepted by UNL, Chih-Ray Liu (M.S. 1985, Ph.D. 1988, Adviser: Anthony Sta- Crandall Completes Distinguished Career at DOE he declared an astronomy major, which he regards as “the 2nd or 3rd race) was the Recognition Luncheon speaker on 8 May 2014. Liu 5 SPECTRUM 2 best decision” he ever made. did his doctoral thesis in theoretical atomic physics on “Photo- avid H. Crandall In 2008, David was measured electron-ion collision cross sec- After graduation, he went briefly into construction, but then detachment of Negative Ions with Two Active Electrons” in the D(M.S. 1967, Ph.D. named Chief Scientist for tions, wrote his first successful proposal, and joined Schlumberger, a world leader in oil and gas exploration. group of Professor Anthony Starace. Liu told our students that he 1970; Adviser: Duane the NNSA and enjoyed made two lifelong friends: his wife Ellen and Over the course of his career there, he moved up from being a Field found life as a graduate student about the most enjoyable time of Jaecks) retired from the the latter part of his career his lab partner, Ronald A. Phaneuf. David Engineer (performing oil well engineering services) to Staff Qual- his life. He then stayed in the group as a postdoctoral researcher for Department of Energy advising political appointees writes that two seminars at JILA stimulated ity Engineer (implementing testing procedures and managing test another two years. It was a very productive period, during which (DOE) on March 8, 2013 at DOE on a broad range of his interest: one on inertial confinement personnel) to (offshore) Field Service Manager (managing personnel seven papers were published, with Liu the lead author on six of as Advisor to the Under science issues ranging from fusion and the other on the first observa- and a budget of $25 million) to Quality, Health, Safety, and Environ- them. However, although Liu enjoyed theoretical physics, he real- 24 SPECTRUM Secretary for Science after highly classified topics to tion of a black hole. In 1974, he and Ellen ment Manager in Houston (covering 5000 people over three different ized that he wanted a career in which his skills could be put to use 30 years of federal govern- energy/climate. In late 2010, moved to Oak Ridge National Laboratory sites). Upon his retirement from Schlumberger in 2005, he moved more immediately. ment service. David began he took an assignment as (ORNL), where David was a researcher and to Palm Harbor, Florida. He currently serves as a Behavioral Analyst In June 1990, he became a Clinical Postdoctoral Fellow in the his DOE career in the Advisor on Inertial Fusion program manager until he joined DOE in and Senior Consultant with Bovo-Tighe, LLC. In that position, which Department of Radiation Oncology at Thomas Jefferson University, Fusion Energy program as David H. Crandall and National Security to Germantown, MD, in 1983. During that time involves travel to such places as Prudhoe Bay above the arctic circle, a private health sciences university in Philadelphia. Upon becom- Branch Chief for Experi- the Under Secretary for his friend Ron Phaneuf also came to ORNL various other places in the oil patch, and sometimes even to Wash- ing board-certified in therapeutic radiological physics, in 1992 he mental Plasma Research in Science at DOE, Dr. Steven from JILA and they collaborated for 9 years ington, DC, he coaches “business folk and engineers regarding their became an assistant professor in the Department of Radiology at 1983. In 1987, he became Director of Applied E. Koonin (former professor of theoretical researching atomic collisions, including ones communication and trust-building capabilities and capacities.” the University of Tennessee Medical Center in Knoxville. A year Plasma Physics and was promoted to the physics and provost at California Institute of important for nuclear fusion. In 1983, that Eddy told our students that physicists are needed in the real later, he joined the faculty in the Department of Radiation Oncol- government’s Senior Executive Service, its Technology), whom David came to greatly work was recognized by the American Physi- world for their high capacity to solve ill-defined problems. He ogy at the University of Florida in Gainesville, where he now holds highest career level. He writes that he “en- admire. That assignment gave him the op- cal Society (APS), which named him a Fellow remarked that many real world problems have analogies to physics the position of Professor and Chief Physicist. joyed leading such complex science endeavors portunity to work again on fusion energy and of the APS “for his major role in establishing phenomena. As a student at UNL, he recalled how much he enjoyed Chih-Ray described his academic career in medical physics as as the Tokamak Transport Initiative and the a wide range of Under Secretary Koonin’s the field of study of collisions of multiply- learning how things really work. He also was impressed by how comprising both teaching and research and development, with Numerical Tokamak Project.” On the other other initiatives, a number of which David charged ions with electrons and atoms, and smart many of his fellow students were. Over his career he learned about 80% of his time involved with clinical matters and 20% with hand, he was the one selected to follow and completed as his final work within DOE. for his definitive and revealing measurements that life is about making choices. As a manager he learned that research and development. He said that the clinical work involves report on “cold fusion” when that fiasco hap- David currently serves as a senior adviser in that field.” “everyone owns a piece of the truth” and he learned to “value what tailoring the particular form of radiation treatment (e.g., photons, pened. Among his initiatives, he established to TechSource, a science and engineering David writes that he values all aspects of each person brings to the table.” He concluded by encouraging stu- electrons, or protons) for each individual patient. The development an inertial fusion energy component to the consulting firm in Germantown, MD. his career. In particular, the science of energy, dents to seek happiness since “life is meant fusion energy budget in 1992. In 1995, he David was the first Ph.D. student of climate change, nuclear security, materials to be good.” Contact: [email protected] joined the Defense Programs part of DOE Professor Emeritus Duane H. Jaecks. He behavior, and the workings of the cosmos are as the headquarters leader for the National and Ronald H. McKnight (M.S. 1964, Ph.D. all topics he has experienced in some depth Semih S. Kumru (B.S. 1987) spoke at Ignition Facility (NIF), a $3.5 billion facility 1970) worked with Jaecks on ion-atom and they continue to hold his interest. For the 5 May 2011 Recognition Luncheon. At at Lawrence Livermore National Labora- atomic collisions starting in 1967. (They have example, in March 2014 he gave two talks UNL he worked with Orhan Yenen (Ph.D. tory (LLNL) that leads inertial confine- remained good friends ever since and worked on inertial confinement fusion in China. 1986) in the lab of Professor Duane H. ment fusion research today. In 2000, David together for a time at DOE; they get together He asserts that “all fusion research is highly Jaecks. After graduation, Semih continued became Assistant Deputy Administrator for regularly in the Rockville, MD area to play challenging and interesting science and will in experimental atomic physics at Creighton Research, Development, and Simulation in golf, talk about science, and watch Big Red continue to be so for a number of years before University, where he received his M.S. degree the newly-established National Nuclear Se- football games.) After graduation, David it can be developed for energy.” in 1988. He then transferred to the physics curity Administration (NNSA, part of DOE), spent a year as a visiting assistant professor Dave lives with his wife Ellen in Rockville, program at North Dakota State University, overseeing about $2.5 billion/yr of nuclear of physics at the University of Missouri at Maryland just outside the DC beltway on a where he received his Ph.D. in experimen- Semih S. Kumru Chih-Ray Liu Mark Yarkosky weapons research at LLNL, Los Alamos Na- Rolla teaching and doing ion-atom collision 1.4 acre piece of “country in the city.” Ellen tal condensed matter physics (specifically, tional Laboratory (LANL), Sandia National research while filling in for John T. Park teaches grade school art and Dave plays plen- small-angle X-ray scattering) in 1992. After Laboratory (SNL) and the Nevada Test Site (Ph.D. 1963; Adviser: E. Zimmerman), who ty of golf. (“Thank you, Ted Jorgensen!”) He various temporary jobs, including teaching in the undergraduate of a patient’s treatment plan takes from several hours to a few days, (NTS, now NNSS). In 2006, he received a was on sabbatical leave. (John later became and Ellen have a son, Brian; David also has medical physics program at Creighton and working as a health depending on how close a cancerous tumor is to vital body struc- Presidential Rank Award for Meritorious Chancellor of the University of Missouri two daughters, Kathryn and Christine, by a physics consultant for the Air Force’s Armstrong Laboratory, he tures. High energy protons are a relatively recent therapy, with the Senior Professionals for his “sustained ex- system.) In 1971, David moved to the Joint previous marriage. joined the Air Force Radiation Assessment Team (AFRAT) in 1996, advantage that damage to healthy tissue can be minimized, as most traordinary accomplishments” as a member Institute for Laboratory Astrophysics (JILA) which provides the manpower and equipment necessary to respond of the proton energy can be delivered directly to the tumor as the of the career Senior Executive Service. as a postdoc with Gordon Dunn. There he to nuclear and radiological threats, including risk assessment, con- proton comes to rest. However, proton therapy is currently very ex- tingency planning, consequence management, and site recovery. pensive compared to other radiation therapies. Liu emphasized to From there he worked in various Air Force capacities dealing with our students also how vitally important are good communication Eddy, Kumru, Liu, and Yarkosky Speak at radiation threats up to his current position as Lead Scientist and skills for a successful medical physics career since one is part of the Program Manager for Directed Energy Protective Equipment with the clinical team treating patients. Also, to be a good medical physicist Air Force Research Laboratory (AFRL) at Brooks Air Force Base in one must have a passion for quality and safety in order to ensure Recognition Luncheons San Antonio, TX. His work involves many aspects of the biological the best clinical outcome. Finally, as for any faculty member, one our alumni returned to the Department over the past Stephan M. Eddy (B.S. 1978) was the effects of radiation, ranging from laser and nuclear radiation safety must publish one’s research and give presentations at disciplinary Fthree years to speak to our graduating students at featured speaker on 2 May 2013. According to to development of nonlethal microwave antipersonnel weapons. conferences. Contact: [email protected] our annual Recognition Luncheons. The distinguished the “Executive Summary” of his life, he is “a Kumru emphasized to our students the value of his studies and alumni are usually chosen from among those who have Military Brat, born in Montgomery, AL and degrees in physics. He said they opened doors to a career that he Mark Yarkosky (B.S. 1990 Engineering Physics) was featured forged successful careers outside a typical academic phys- experienced a childhood on the move, going had not anticipated. Recently, Semih retired from active duty in at the 3 May 2012 Recognition Luncheon. Mark grew up in ics career (with which students are already quite famil- from there to CT, CA, CT, CA, France, England, the Air Force, but then joined the Air Force Reserve Officer Corps Scottsbluff, NE and attended UNL. After a few semesters away, he iar). The alumni usually reminisce about their student ND, FL, and MO before moving to NE.” He as a Lt. Colonel. He continues his work as a civilian contractor and returned to UNL and obtained his bachelors degree in engineer- days, describe their career paths, and then advise our graduated from high school in Nebraska City in health physicist at the AFRL. Contact: [email protected] ing physics (with minors in math and philosophy) in 1990. After students of the lessons they have learned along the way. 1973. Influenced by his parents and his father’s graduating, Mark worked for a construction company building best friend, a physicist/mathematician who flew energy-efficient houses in the Kansas City area. In 1995, he joined a F-86s during the 1950s, Steve resolved to be a Stephan M. Eddy start-up company, WaveLinQ, that produced field-deployable Opti- 26 SPECTRUM campbellsville.edu U Director of Academic Affairs at P Affairs of Academic Director U Director of Academic Affairs at P Affairs of Academic Director (radio frequency) frequency) (radio RF National of 2007-2010from Director the he was M industry, dynamic and changing of S aforerunner joining cations, start-ups. in common is as etc., specialist, chain tosupply engineer, tocalibration writer, cal of CDM of Director the he was company. From 2005-2007 the with grew bilities and S and M Falls, at Wayne S $40,000. At WaveLinQ M $40,000. munity and T and munity C at Northland Affairs of Academic S appointment this H as companies larger such WaveLinQ beat wavelengths. different (WD multiplexing division wavelength using when lines optic over fiber sion problems transmis todiagnose companies by telecommunications demand Anderson, JustinAnderson, S. We Heard That… alum S cal alum P 1997) a is (B.A. N S 17330Inc., Wright C E C joining before ment R from U from agribusiness and finance in specialization M an obtained Justin physicshis degree, t., S t., ortfolio M ortfolio mail: mail: ambridge Advisors, Advisors, ambridge niversity-Wilkes Barre. E Barre. niversity-Wilkes niversity-New Kensington, and as Acting Acting as and Kensington, niversity-New E to market with their O their with P tomarket BA degree with a a with BA degree In 1996, M 1996, In 68130. Following 68130. 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SPECTRUM 2 9 9 2 30 SPECTRUM P R P Major Award Physics Outstanding Establish Kirbys A and his group used to investigate the the toinvestigate used group his and he which absorption, far-infrared and R as techniques domain frequency of such extension alogical is domain time the work in experimental T grant. Foundation Keck of aW. support M with 2003-2007 during perfection to experimental brought group his he and which measurements, magneto-optical time-resolved femtosecond concerned research recent R graduation. near was student M in R accomplishments, these 2010. semester R Fall since home Department’s the Hall, Jorgensen state-of-the-art the of construction the E Diocles of the establishment the members, of 14 faculty new hiring the include T of U support and confidence necessary the maintaining and establishing Department, of the development the nurtured and shaped he devotedly 2007 until years dozen the R 1995 in Department, of the member of 1971. E fall the in he joined which Department, the and U with relationship formative and annually. recipient award the selects committee ADepartmental Department. the within available become or may are that activities related other and seminars, and colloquia at attendance regular aT (as teaching ment in S the as (such facilities various Department’s R by the provided is award for the Funding physics. in majoring U outstanding the S the in participation faculty, with interactions extensive research, in participation cessful E Department.” of the activities the in gaged en successfully and broadly “been also have who performance academic standing out with majors physics Award targets 2011. 28, on December T Foundation U at the established for P Fund Kirby zanne hysics M hysics xamples of such activities include suc include activities of such xamples oger and S and oger oger became Department C Department became oger he milestones of his long term as C as long term of his he milestones R ck his wife S wife his E rofessor oger Kirby has had a deep, long, long, adeep, had has Kirby oger ay 2011 to retire, as his last P last his ay 2011 as toretire, tudent Instrument S Instrument tudent ociety of P ociety n xtreme Light Laboratory, and and Laboratory, Light xtreme ajor Award in order to honor ajor Award in n owledgme uzanne Kirby Outstanding Outstanding Kirby uzanne NL’s senior administrators. NL’s administrators. senior uzanne have established the the established have uzanne and and D. Roger Kirby meritus NL undergraduate students students undergraduate NL hysics S hysics niversity of Nebraska of Nebraska niversity ver an enthusiastic enthusiastic an ver tudents, use of the of the use tudents, hysics, which they they which hysics, eaching Fellow), Fellow), eaching aman scattering scattering aman hop), involve his challenging challenging his oger decided decided oger eflecting on on eflecting oger and S and oger hair. For For hair. oger’s ts h.D. NL NL hair hair u he he - - - - - . . part of the N of the part R P of the director as served she which to U “on-loan” was she ateacher as of service R rivals even that education science fostering of ahistory has 25 years, more than S 1991, S aC with recognized was she playgrounds, school on fossils and identify find children which P developing work, S For diligent her instruction. science in teachers train tohelp state of the parts toall traveled she director, As state. the throughout instruction math and science S ( 2011Fall Spectrum. of issue p. 12 the of Kirby’s see of career, description [ media. storage of magnetic development continued the for essential is behavior of this Knowledge as C such films thin complex in moments magnetic coupled exchange- of behavior precessional teacher in Lincoln P Lincoln in teacher education. S education. science and for science passion deep a P ystemic Initiative aimed at improving at improving aimed Initiative ystemic cience T cience egionally and S and egionally romoting romoting Both R Both NL for four years (1991-1995), years for four NL during ue won the P wonue the ue has won many awards. For For awards. won many has ue oger’s. During her quarter century century quarter her oger’s. During ooper Foundation Award. In In Award. Foundation ooper eaching. For this she was invited invited was she For this eaching. oger and his wife S wife his and oger ue, as an elementary school school elementary an as ue, E layground P layground S xcellence in E in xcellence F-funded Nebraska S Nebraska F-funded For a more detailed detailed amore For tate-Wide) Academy, Academy, tate-Wide) residential Award for residential o/ ublic S ublic R u/ aleontology, in in aleontology, C ] chools for for chools ducation ducation o trilayers. o trilayers. ue share share ue tate tate eers eers N excellence in our students. students. our in excellence of recognition and support for their and generosity for their Kirbys tothe grateful T majors. physics outstanding for our award an establish to decided Kirbys the that not surprising it is science, of teaching means effective advancing in passionate so and science, in tosucceed of students generation next the tohelping dedicated sincerely so science, Lincoln. in classrooms school elementary into students graduate M $3.4 (totaling also aC also S decades. two for nearly students S L the as served she particular, In activities. education science Department’s of the some in active S P Lincoln the in teacher outstanding R of the Year Award of the Lincoln S Lincoln Year Award ofof the the S R House White the in Bush by P celebrated were successes teaching her which during D toWashington to aweek-long trip ue also won the Distinguished T Distinguished won the also ue cience program for elementary school school for elementary program cience chools (L chools ite P ite S F-funded P F-funded As a couple so deeply immersed in in immersed deeply acouple so As reservation Foundation, given to an toan given Foundation, reservation o- P PS I on two of the Department’s Department’s of the I on two ). In addition, S addition, In ). roject Fulcrum grants grants Fulcrum roject Liaison to our S to our Liaison PS resident George H. W. H. George resident ), which placed science science placed which ), he Department is deeply deeply is he Department By Christian Binek By Christian ose Garden. Garden. ose ue has been been has ue eacher eacher aturday aturday he was he was cottish cottish C ublic ublic , , T 3) 3) 3321.0) No. Fund website at: at: website N the or through newsletter, of this mailing the with enclosed envelope return and card contribution the C M 1) Foundation: U at the accounts general following we the have note that should tous gift tax-deductible additional an considering be might or who U of the T purposes. unrestricted for as well as lectures invited and scholarships, undergraduate fellowships, graduate professorship, endowed an equipment, capital T 2011–27 1August period M the during contributions Acknowledgments A 5) 5) No. (Account 6843.0) scholarships] 8) 8) No. (Account 10681.0)equipment] 7) 7) No. (Account 6781.0) science] materials and matter condensed J. S P of colleagues and/or friends, students, former Alternatively, 6) 6) No. (Account 8846.0) scholarships] 2) 2) No. (Account 2557.0) gifts] 4) 4) funds: endowment following tothe to contribute wish may Fast itaram Jaswal, T Jaswal, Sitaram rofessors hese contributions have been made in support of major items of of of items major support in made been have contributions hese ontributions to any of these may be made conveniently using using conveniently made be may of these toany ontributions ajor] No. (Account 112318.0) ellmyer as well as of Lecture Demonstrations M Demonstrations of Lecture as well as ellmyer Physics & Astronomy Development Fund Development &Astronomy Physics Menno Fast Memorial Fund Memorial Fast Menno Ted Jorgensen Fund for Physics for Fund Ted Jorgensen Physics & Astronomy Alumni Scholarship Endowment Endowment Scholarship Alumni &Astronomy Physics Physics & Astronomy Lecture Endowment Fund Endowment Lecture &Astronomy Physics David J. & Catherine J. Sellmyer Fund Sellmyer J. &Catherine J. David Banti & Mela Ram Jaswal Fund Jaswal Ram &Mela Banti Roger and Suzanne Kirby Fund Kirby Suzanne and Roger ck als and corporations for their new and continuing financial financial continuing and new for their corporations and als individu following tothe grateful very is he Department (Account No. 3303.0) No. (Account niversity of Nebraska Foundation’s telephone campaigns Foundation’s campaigns telephone of Nebraska niversity n n owledgme http://nufoundation.org hose who have not been contacted by one by one contacted not have been who hose ed Jorgensen, R Jorgensen, ed ts [for lecture demonstration demonstration lecture [for [for undergraduate undergraduate [for . [for Outstanding P [for Outstanding [for undergraduate undergraduate [for oger Kirby, and David David and Kirby, oger Foundation U Foundation [for support of of support [for [for unrestricted [for unrestricted anager M anager ay 2014. (Account (Account hysics hysics - enno enno N N T ST THE TE SE RU SPE SC SC RUC R M P NIVA, GO M JA KI L JO H JA IB K HAW G F FINKL E G GALLIA B B BOY C B BA BAO, M AYL this. indicate should program gift T intended. is money the account for which indicate should and Foundation C MC ILALI EWI DDY, STEP U URR R V AY hecks should be made payable to the U tothe payable made be should hecks A E R E EE M C AH A S LL R UTR A H HLI YAN, BLAIN YAN, AY IF RRETT N LLI ETE DD, M P AY, DAVID M WAL, S CE N OB BY, R R ES C LAN, LO LAN, G T U ER BO K ER C M ER CER T ER S A S, M H OW, P ER M LD ORP S K, JOK, , DAN , TT WO , TERR ER S ORP HO S CE Y N, ALAN B N, ALAN A , LA , JONA AL E AL INQI ( INQI , DAVID WA E , LOYD DONALD ( DONALD , LOYD , LAB E R AN, J AN, , R ER S , ALAN (B. , ALAN OG ON M T ING C , P . EU , C D , DAVID (B. , AN R I , WILLIA R RT I , T C OB OR hose contributors whose employers have a matching amatching have employers whose contributors hose RR T , DAVID J. &C OR T DON DAVIDDON ( SEP A A N HAN MCC HAN HA L A D.ER &SU A , DONALD ( , DONALD H U U U H, K H, R Y JOHN ( Y JOHN ERR ECTR G E ( ERT R M A Y L T R T A I O E L , M L D. &M A H H. AND E AND H H. E E D. (B. Y R T S JA HAN ( HAN O EL K A HONY F.HONY &KA . T ODO N S E TC I S ION ( EE C M S MP ION Y E E . 1992, P . 1992, R E & A AY (B. HA VIN DONALD ( DONALD VIN M AVON (B. M IC S VAGG IAN ( IAN ( MES HING GIF HING UR RRE VIN (B.EVIN . 1957) ANY . (B. . &ALI (B. RE M S . FO S M E . 1979) S P H I . 1975 P ZANN . IL . 1960) L (B. R CE h.D. 1986) S . A N (B. ES M S S S M U . 1968, P M A M E EE h.D. 1995) R . 2004) . 1962) . 1971) M NDA LO . T . N LL Y S S . . S CE S S S N ( H . 1961) . 1975, P AY (B. . . 1959) E S. 1992) . 1964, P . 1964, S . 1977) . 1975, P S TS E S (B. K. E K. ER Y (B. h.D. 1980) T . 1958) . 1968) N A. ( N A. S P T H . 1952, M h.D. 1962) h.D. 1970) IN ION ER S S M S . 1978) E J. . 1964) . 1978) h.D. 1983) IN P . h.D. 1979) h.D. 1975) S niversity of Nebraska of Nebraska niversity h.D. 1980) . 1986, P E F. . S . 1953)

h.D. 1989)

SPECTRUM 3 1 1 3 32 SPECTRUM P P noted that they published 24 papers together, including Gallup’s Gallup’s including together, papers 24 published they that noted Burrow office. an him provided and him” grabbed “physics ment, depart chemistry the from retired Gallup when that said Burrow U the from 1980. in president national its was Award from the U the Award from M A. R 1987. the in awarded he was 1992, America” In in fessors is available at this UR at this available is package computational properties electronic atomic or molecular M U N an of P Association American of the member tive T Distinguished C T Outstanding the for teaching, tion U the 1993 he received of P Association American by the of physics was named by Insight named was he accolades, other Among excellence. teaching for his nationally (1973 recognized was 1986) teaching and and for distinguished becoming a full professor in the C the in professor afull becoming at P research toral U the from chemistry U ington at Wash chemistry in degree college his obtained then Gordon U technician. aradar as Navy the in he served M C earned He twice teaching. his for known professor. He was emeritus an he became when 2005, 1969 to from Department the in member afaculty was Fuller T previous the Valence Bond Methods: Theory and Applications and Theory Valencea book, Methods: Bond as well as journals physics and chemistry leading the in 130 articles over He published attachment. electron dissociative and molecules, and atoms from scattering electron theory, bond valence structure, electronic of molecular theory the vibrations, of molecular troscopy Gay Timothy collaborating Professors with Burrow Paul of P Department the in appointment tesy acour held has then since and teaching from 1993In he retired Naval 1965-1969 at the 1965, from he worked whereupon aphysicist as U at the physics matter condensed experimental P Nobel of the winner and activist rights ahuman became eventually S Aung was there 1958-61. students from of his One M at the courses science he taught where Gordon Gallup A. (1927-2014) Robert Fuller G. (1936-2012) O rize for P rize reativity Award. He was named a member of U amember named He was Award. reativity niversity P niversity . Molcrunch: An An Molcrunch: program, chemistry aquantum created he also ills, S A native of Indiana, Fuller obtained his B. his obtained Fuller of Indiana, A native At the M At the http://sourceforge.net/projects/molcrunch/ Gallup’s research interests over the years included infrared spec infrared included years over the interests Gallup’s research He was born M born He was rofessor E rofessor of morning the aneurism abrain 9, 2012. suffered He had E rofessor . degree in physics in 1958, Fuller traveled toR traveled 1958, in Fuller physics in . degree B S illikan M illikan F Fellow at the U at the F Fellow ITUARIES niversity in S in niversity eace. R eace. niversity of M niversity ress, 2002). T 2002). ress, emorial S emorial on research involving molecular processes. molecular involving on research Gordon A. Gallup A. Gordon meritus on M died Fuller G. Robert meritus edal for outstanding contributions to the teaching teaching to the contributions for outstanding edal hanksgiving from which he never fully recovered. recovered. fully he never which from hanksgiving eachers in 1995, and he received the “Doc E “Doc the 1995, he received in and eachers eturning to the U tothe eturning urdue U urdue NL Alumni Association in 2011. in ac an He was Association Alumni NL arch 9,arch 1927 S in L: L: ervice for Gallup on M for Gallup ervice magazine as “One of the 10 best college pro college 10 “One of the best as magazine niversity of Illinois, where he obtained his his he obtained where of Illinois, niversity niversity of Kansas in 1963 and did postdoc did 1963 and in of Kansas niversity t. Louis. He received his P his He received Louis. t. niversity of Nebraska’s highest recogni of Nebraska’s highest niversity issouri- ogether with his students, most recently J.D. J.D. recently most students, his with ogether niversity. In 1955 toU In niversity. he came R ollege of Arts and S and of Arts ollege olla in 1957. Following a year as 1957. as in ayear olla Following . S hemistry Department in 1964. 1964. in Department hemistry .A., Fuller earned his P his earned Fuller .A., t. Louis, M Louis, t. eaching and Instructional Instructional and eaching ethodist E ethodist died on M died hysics and Astronomy, Astronomy, and hysics S , arch 29,arch 2014, P Ilya Fabrikant, Ilya . degree in physics physics in . degree hysics T hysics niversity of Illinois in in of Illinois niversity nder the G.I. bill, bill, G.I. the nder hysics T hysics o. During WWII WWII o. During angoon, Burma, Burma, angoon, nglish High S High nglish h.D. in physical physical h.D. in NL’s of Academy an S an onday, April onday, April ciences awards awards ciences eachers. In In eachers. arch 26, 2014. 26, arch (C uu Kyi, who uu Kyi, who eachers and and eachers ambridge ambridge h.D. in h.D. in NL, NL, aul aul , which which , obert obert lliott” lliott” and and chool chool ------in Perspective Reasoning of Development the Collapse Bridge Tacoma Narrows the of Puzzle The with beginning lessons, videodisc From 1978-1994 interactive many he created freshmen. sense of his interest in the process of discovery. of discovery. process the in interest of his sense R knew who by those acclaimed been has which (2002), Karplus Robert of Career Second –The Education majors. non-science for http://real.unl.edu/programs/emeriti_lib/Fuller_Robert_G.php physics. From 1975-1997 he directed the ADA the From 1975-1997physics. he directed tion at U tion him on the proper style for writing scientific papers in E papers scientific for writing style proper on the him coached Gallup said Ilya death.” his before one week paper next our daughter-in-law Linda, and six step-children: Douglas, C Douglas, step-children: six and Linda, daughter-in-law S daughter (Gay), his Grace wife, by his survived is home at C his outside lake on the loved tosail and electrons!” of power unpaired the shows “Well, that was, students Gordon’s stunned tothe comment building. chemistry the throughout waves shock sent that explosion loud abig, was there and oxygen liquid using was Gallup gone awry demonstration in a lecture that He recalled “unflappable.” was P rence Law the week. of highlight social and ascientific was that Fridays P and Gordon me.” in He that noted scientist best out “Gordon the brought that T science. in politics toward attitude Gallup’s ironical by impressed he was that and music in interest an shared they said tion Instruc of 1971-74. System from Personalized the He implemented Topics His ing. in Environmental Science learn in partners as students toinclude activities learning developed T erry, Jane, and Joy. and Jane, erry, An oral history interview with Fuller is available here: available is Fuller with interview history oral An Science Discovery: of ALove is books Fuller’s among Notable Among his hobbies, Gallup played the piano, was an avid reader, reader, avid an was piano, the played Gallup hobbies, his Among An innovative educator, he eagerly embraced new technologies and and technologies new embraced educator, he eagerly innovative An , also known as the Keller P Keller the as known , also arkhurst, a chemistry colleague of Gallup, noted that Gordon Gordon that noted of Gallup, colleague achemistry arkhurst, Workshops on College Teaching and Teaching and College on Workshops many . He organized NL, a multidisciplinary, P amultidisciplinary, NL, Problem Solving Using Computers Solving Problem and aul organized a weekly “electron lover’s lunch” on lover’s on “electron lunch” aweekly organized aul most cited paper on “ paper cited most from 1999-2000. U at the and 1995-96, from 1986-1988from again and times to date. Burrow stated that scientifi that stated Burrow todate. times A P and Gallup, G.A. E the last moment—we talked by phone about by phone about talked moment—we last the “Gordon until worked that stated 10 papers, published Gallup whom with Fabrikant, Ilya Indeed, he died.” day the work until best his doing was “neverpeaked—he Gallup cally, U U C U at the professor avisiting was 1976. in He aprofessor 1969, in sor becoming profes associate an as Department the joined R nergies of the DNA Bases” [K. Aflatooni, Aflatooni, [K. DNA Bases” of the nergies esearch Laboratory in Washington, D. Washington, in Laboratory esearch alifornia-Berkeley from 1976-77, from Open at the alifornia-Berkeley . niversity in the U the in niversity 102 S . Air Force Academy in C in Force Academy . Air , 6205 (1998)], which has been cited 240 240 cited , 6205 been (1998)], has which . M . lan, in the Department’s teaching of of teaching Department’s the in lan, S . M Energy Energy as such courses, of his any iagetian-based program for college for college program iagetian-based ilitary Academy in West P in Academy ilitary obert Karplus as providing a a providing as Karplus obert course was team taught taught team was course .K. from 1982-83, at the 1982-83, from at the .K. .D. Chem. Burrow, J. Phys. E program of instruc program PT lectron Attachment Attachment lectron apitol Beach. He He apitol Beach. tephanie, his his tephanie, olorado S olorado were developed developed were im Gay said said Gay im niversity of of niversity

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N in Kansas. He worked on historic Indian village sites, pioneer farm pioneer sites, village Indian He on worked historic Kansas. in M in Davidson toFort Nebraska, in Atkinson Fort Dakota, North in William Fort from ranging sites on historic C C and P National of the units a dozen P archaeological research. archaeological for improving of geophysics potential to the archaeologists American P R were done at the M donewere at the T Director. its named was Nasser T M versity M R at Oahe site Bay Walth at the and Dakota, North in S at the surveys eter magnetom were contributions early notable most His excavations. of archaeological advance in surveys for geophysical need essential U the throughout conducted was features) of archaeological mapping for subsurface sites. archaeological at features subsurface locate archaeologists help would that methods and instruments todevelop working were who physics in training with scientists of international number of asmall part was John time, At that archaeology. in techniques sensing of geophysical l989. in he retired where in New York, NY. In 1989, he became Director of M York, New in Director 1989, NY. In he became at M of radiotherapy professor assistant appointed then was in He 1984. radiologist aboard-certified ing M in program fellowship M in pointment E S in T in Born glioblastoma. with battle athree-year after side, at his doctoral thesis was on “ was thesis doctoral Macek H. by Joseph supervised were physics atomic cal Nasser Maleki (1953-2012) Maleki Nasser John W. Weymouth (1922-2012) O echnology began a graduate program in medical physics in 2007, in physics medical in program agraduate began echnology ehran, M ehran, hysics at the Anderson C Anderson at the hysics ark S ark lectron-Ion S lectron-Ion adiation T adiation ulture National Historical P Historical National ulture obridge, S obridge, M John’s pioneering work (to use magnetometers as a survey tool tool asurvey as John’s magnetometers work (to use pioneering application the in interested became Weymouth mid-career In hiraz, Iran in 1976. His graduate studies at U studies 1976. graduate in His Iran hiraz, B Macek Maleki asser uch of John Weymouth’s work was in assistance to the National National to the assistance in work Weymouth’s was of John uch haco C haco ervice. He conducted geophysical investigations on more than on more than investigations geophysical He conducted ervice. ITUARIES edical C edical aleki received his B. his received aleki herapy at Harvard M at Harvard herapy outh Dakota. T Dakota. outh ) died at his home in S home in at his ) died anyon to Abraham Lincoln’s Home and Hopewell Hopewell Lincoln’s Home and toAbraham anyon cattering.” Following a brief postdoctoral ap postdoctoral abrief Following cattering.” acek’s group, Nasser entered an NIH-sponsored NIH-sponsored an entered Nasser group, acek’s enter in S in enter nited S nited emorial Health U Health emorial ( akakawea Village at Knife R at Knife Village akakawea M J son U son U at the physics in research did and He taught from the U the from ease. John was born on the S on the born was John ease. S He attended professors. were grandfather and P in campus . S S tanford and earned aP earned and tanford tates and E and tates chwinger’s Variational P Variational chwinger’s edical P edical niversity of C niversity . 1977, P 2012 from complications of P of complications 2012 from 20, December died Walter Weymouth ohn ancer C ancer avannah, GA. When Georgia Institute of of Institute Georgia When GA. avannah, hese important studies introduced North North introduced studies important hese niversity, and the U the and niversity, ark. Dr. Weymouth did important work work important did Dr. Weymouth ark. S ark S ark . in physics at S physics . in hysics at the Joint C at the hysics he clinical parts of the program program of the parts he clinical h.D. 1981; Adviser: J h.D. 1981; Adviser: edical S edical enter of M enter niversity of C niversity avannah, GA, with his family family his with GA, avannah, urope and demonstrated the the demonstrated and urope alo Alto, C Alto, alo ervice ranging from Fort C Fort from ranging ervice niversity M niversity alifornia, Vassar C Vassar alifornia, inai M Sinai ount chool that led to his becom tohis led that chool emorial Health U Health emorial issouri and Fort Larned Larned Fort and issouri hiraz U hiraz alif., where his father father his where alif., h.D. in physics in 1951 in physics h.D. in iver Indian Villages Villages Indian iver alifornia at Berkeley. at Berkeley. alifornia edical C edical NL in theoreti in NL niversity of Nebraska, of Nebraska, niversity rinciple for for rinciple edical R edical tanford U tanford enter for for enter edical C edical eservoir near near eservoir oseph oseph niversity niversity arkinson’s dis arkinson’s . His . His enter; P enter; ollege, C ollege, - adiation adiation enter enter niversity niversity ni - latsop latsop h.D. h.D. - lark - - - - - Greece on Crete. in prospection magnetic in working and teaching Physics of a professor now is students PhD my of one that gratifying especially It is satisfying. very been has students and archaeologists of variety awide Working with Greece. and in Japan and country this in sites at various work field and instruments of development of years followed There country. this in used be to able be should and Europe in pioneered been had sites of surveying magnetic that me showed literature The excavation. for considered being sites evaluating in expertise field and tools develop to aneed was there that clear became it but ceramics of x-ray in diffraction research some Idid applications. of range awide study could we title abroad such With Archaeology”. in “Science in course aseminar Ideveloped problems these on thinking and talking reading, my of Out discipline. their in problems science some with me challenged Nebraska of University the at acquaintance my of archaeologists when science materials in research doing and Physics teaching 70’s early contentedly the in Iwas Back sites. interesting on archaeologists with working enjoyed thoroughly so have I since confection the of top on cherry the given being like is GSA the by “ said, Weymouth response, level. international, an on also but anational, on practitioners archaeological with connections encouraging and establishing ologists, archae and community geophysical the between abridge as He served wake. his in follow to others inspired and sites historic and prehistoric of range awide for techniques these of usefulness the demonstrated studies prolific and meticulous His archaeology. in applications geophysical for “ his that noted citation award S Geological Award of the Geology logical four sons: Gian, Aria, C Aria, Gian, sons: four procedure). not asurgical treatment, a is name, its despite which, (and body of the area on asmall energy R for S accelerators of linear use the in active also He was tion. America, E America, North in contexts historic and of prehistoric range wide in use their pioneering techniques, these refined continually and of skills arsenal his into radar penetrating ground and resistivity incorporated also he surveys, on magnetic afocus with research his began Weymouth R the and steads, adiosurgery, a form of radiation therapy that focuses high-power high-power focuses that therapy of radiation aform adiosurgery, M In 2012, John Weymouth was awarded the R the awarded was 2012, Weymouth In John aleki is survived by his wife of 25 years, Johanna (Hynes), and and (Hynes), Johanna of 25 years, wife by his survived is aleki urope and Japan. and urope ” ock C ock T optimization. M optimization. treatment in problems challenging most one of the treatment, radiation during motion of organ issue transmitter or magnetic, for organ motion detec motion for organ or magnetic, transmitter R markers, active and passive of implantable cation T M Organ of Internal area the M supervision. M under research doctoral their did students reatment. T reatment. herapy (IGherapy reek S reek yrus, and Sia. and yrus, Being honored with the Rip Rapp Award Award Rapp Rip the with honored Being tation on the Oregon T Oregon on the tation RT ground-breaking work paved the road road the paved work ground-breaking he field of Image-Guided R Image-Guided of he field aleki’s main research interest was in in was interest research main aleki’s ) is relatively new. It addresses the the new. It addresses relatively ) is aleki’s research explored the appli the explored research aleki’s ociety of America. T of America. ociety otion during R during otion ip R rail. 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SPECTRUM 3 3 3 3 34 SPECTRUM F trative team managing and running the Department. Jean had an an had Jean Department. the running and managing team trative adminis of the part as tofunctioning drafts handwritten of typing that from markedly changed staff office role ofJean’s the the tenure (1995-98). During (1984-95), Kirby Roger and FStarace Anthony C Department tothree assistant administrative as served she which during for 19 years, office main R minister. weightlifting meets. weightlifting in participants oldest one of the was and weightlifting in interested Cerbus, Gregory Eugene Cahn, Julius H. Memoriam In Jean Rolofson M. (1930-2012) O 29th, 1930 R in 29th, 2009 in S in 2009 tired in 1985, and he and his wife moved to S wife his 1985, he and in and tired He re departments. physics and engineering electrical the in but also engineer. He is survived by his wife E wife by his survived He is engineer. R 3, 2012. for worked He had on April cancer topancreatic succumbed but left to join the Battelle M Battelle the tojoin but left U U at the years twenty-six spent He then years. eight U aytheon C aytheon rbana- niversity of P of niversity died on Wednesday, February 29, 2012. S on Wednesday, February died M Office Department ormer B ITUARIES C anta Fe. He was 89 years old. C old. 89 years He Fe. was anta hampaign, working mostly in the astronomy department, department, astronomy the in mostly working hampaign, olofson joined the Department in 1979 and managed the the 1979 managed in and Department the joined olofson orporation for 27 years as a project manager and systems systems and manager aproject as for 27 years orporation ennsylvania. ennsylvania. ed Oak, Iowa. Her father was aM was Her father Iowa. Oak, ed (Former faculty member, 1948-1950) 29, July died faculty (Former M Byrne, Eric J. science from Kansas S Kansas from science computer in degrees doctoral and masters his He earned death. of his time at the consultant a as working was old, years 44 Neb. Byre, M ill he became when feet at 13,000 Bhutan in expedition on atrekking He was sickness. tude M ay 9, 2005 from complications of high-alti complications from ay 9, 2005 ay 5th. He was buried M buried He was ay 5th. BA from Wharton Business S Business Wharton BA from emorial Institute in C in Institute emorial ( M (1979-84), Sellmyer J. David hairs: , Rolofson (Jeambey) M. Jean anager, . S David Sellmyer David . 1985, Adviser: laine and six children. six and laine (B. ahn taught physics at U physics taught ahn S . 1983) of Ocean, N.J., died N.J.,. 1983) died of Ocean, he was born February February born he was anta Fe. T Fe. anta tate U tate ethodist E ethodist ay 23 in Omaha, Omaha, ay 23in olumbus, OH for OH for olumbus, niversity of Illinois, of Illinois, niversity niversity and an an and niversity here he became he became here chool at the at the chool piscopal piscopal NL, NL, - ) - - great-grandchildren. 4 and 12 grandchildren, children, her with interacting and organ, the playing reading, enjoyed she said sons three and Her daughter beautiful.” “look reports and correspondence 1998, S in retired she When sense. aesthetic excellent Epstein, Saul T. to the U to the by 1963. recruited promoted 1963 toprofessor In he was was 1954 and U Boston and at S appointments one-year 1948 to1951. two After at C physics in instructor an 1948, he was appointment at the Institute for Advanced S for Advanced Institute at the appointment M the from 14,June S 1924, in 27, of 2010 85 age on February at the M in cancer professor of physics and a member of the T of the amember and of physics professor the American P American the of aFellow He was chemistry. quantum and physics atomic toward evolved worklater whose and theory field on quantum work focused 1988. S in He retired physics. in completely was 1970 appointment his after tute; tarace noted that she always made his his made always she that noted tarace niversity of Wisconsin- niversity aul was an accomplished theoretical physicist whose early early whose physicist theoretical accomplished an was aul assachusetts Institute of T Institute assachusetts niversity, he became an assistant professor at U professor assistant an he became niversity, hysical S hysical outhampton, NY, he earned aP NY, he earned outhampton, (Former faculty member, 1954-1963) of died faculty (Former home at the age of 68. of 68. age home at the 1981-1997) on M away passed ment M McConnell, Gordon B. ociety. M aker III and student shop supervisor, shop supervisor, student and III aker adison with a joint appointment as as appointment ajoint with adison echnology in 1948. Following an an 1948.Following in echnology olumbia U olumbia heoretical C heoretical tudy ( tudy adison, WI. Born Born WI. adison, h.D. in physics physics h.D. in P tevens Institute Institute tevens (Former Instru (Former rinceton) in 1947- in rinceton) niversity from from niversity ay 13, 2013 at his hemistry Insti hemistry NL in in NL - - The RecordThe Editor: Jennifer Barnason Jennifer Editor: • Science of Bachelor 2011-2012 D • • • Philosophy of Doctor • • • • • • • • Master of Science • • • • • • • • • • Science of Bachelor 2010-2011 D

Xi He Xi at U ( Stein Christopher Neil ( Roberts Ryan Shawn U at the program ics phys 2011) graduate the (August in Nordell J. enrolled Bradley at T program geophysics and Tyler ( Nitz Justin ( McGill Patrick Benjamin ( Van Kelley Horn Thomas U at Northwestern program physics ( Davis Kenneth Samuel Baumgarten Michael Cory at U program physics graduate the in 2010) (August enrolled Bouzid Anas at U program physics graduate the in 2010) (August enrolled Becker Gabriel Maria ( Kyle Bunkers John U at the Intern Writing ( Zhang Zhengzheng Liu Jing at U physics Junlei Wang at U physics in program McGregor Cameron Scot ( Lu Haidong at U physics in ( Litaker Thomas Eric at U physics in gram pro 2010) doctoral Cheng-Wei (August the entered Huang ( Hage David Benjamin Paramita Dasgupta at U physics in ( Bach Anthony Roger Brookhaven National Laboratory. National Brookhaven U at the program tronomy in Lincoln, N S and Fire at General Director Department at C program physics ate program at the U at the program U on the S Light tron at U ics at U physics in gram at II in Kanpur, India. Kanpur, T in NL’s C Holland ( M NL working with P with working NL ( 4B beamline for Northeastern U for Northeastern beamline 4B M ay 2011) aR took ay 2011) took a position at the National S ay 2011) National at the aposition took ource at Brookhaven National Laboratory working working Laboratory National at Brookhaven ource NL working with P with working NL (December 2010) entered the doctoral program in in program 2010) doctoral the (December entered E NL working with P with working NL M NL working with P with working NL P with working NL . ay 2011) entered the doctoral program in phys in program ay 2011) doctoral the entered niversity of Wisconsin. of Wisconsin. niversity M egree R eci egree Reci omputing C omputing ( niversity of M niversity NL working with P with working NL NL working with P with working NL ay 2011) enrolled in the graduate geology geology ay 2011) graduate the in enrolled M NL working with P with working NL M M M M M ay 2012) enrolled in the graduate physics physics graduate the in ay 2012) enrolled niversity of Wisconsin, M of Wisconsin, niversity ay 2011) aS as aposition took ay 2011) is studying theoretical physics physics ay 2011) theoretical studying is NL working with P with working NL M olorado S olorado M ay 2011) entered the doctoral program program ay 2011) doctoral the entered M ay 2011) enrolled in the graduate as ay 2011) graduate the in enrolled ay 2011) entered the doctoral program program ay 2011) doctoral the entered (August 2010) entered the doctoral 2010) doctoral (August the entered esearch Associate position at at position Associate esearch niversity of M niversity rofessor Gruverman. rofessor ay 2011) entered the doctoral proay 2011) doctoral the entered ay 2011) took a position as an intern ay 2011) intern an as aposition took ay 2011) enrolled in the graduate ay 2011) graduate the in enrolled M ( M exas A& exas M ay 2011) took a position at Gallup ay 2011) at Gallup aposition took ay 2011) a as aposition took rofessor Binek. rofessor ay 2011) gradu the in enrolled enter. rofessor S rofessor rofessor Gay.rofessor Batelaan. rofessor tate U tate issouri-Kansas C issouri-Kansas niversity. M U pie pie rofessor Batelaan. rofessor rofessor Ducharme. rofessor niversity-Fort C niversity-Fort assachusetts-Amherst. rofessor Batelaan. rofessor niversity. niversity. hadwick. afety in Lincoln, N Lincoln, in afety rofessor Batelaan. rofessor n n ts ts adison. ity. ynchro cience cience ollins. - - - - - E - - . . • • • • • • • • • • Philosophy of Doctor • • • • • • • Master of Science • • • • • • •

R T gram at U gram al R al WuMenghao C Fremont, Wei Hui ( Xiao Yong Wang P Scarborough Timothy R at Oak Fellow toral Rojas Geoffrey S Mukherjee Tathagata S ( Mardana Abhijit rearing. child 2011) on at present (December focused is Janicka Karolina Hong Nina Yu Lei at U program ( Stamm Alexander Song Jingfeng at U program ics Poddar Shashi Oregon. 2011) (August in at Intel aposition took Mardana Abhijit at U program physics 2011) graduate P. the (December in Knowlton Daniel enrolled U at the program ics TobinKyle ( Anthony at U program ics McAcy James Collin C at North program physics graduate 2011) the (December in –enrolled Hoffman Carl Benjamin U at the program physics ( Hansen Donald Peter Arizona. U at the program physics graduate the in enrolled ( Gregoire David Maxwell David Foote ( Foote David William Austin Deck graduate physics program at U program physics graduate 2011) the (August in enrolled Rajapitamahuni Kumar Anil (December 2011) (December aHA Li as Zhen aposition took Bloomington, M Bloomington, T trical at J. A. Woollam C Woollam at J. A. program at U program physics program at the U at the program physics enior E enior Oregon. in at Intel cientist echnology. ostdoctoral R ostdoctoral esearch Associate at P Associate esearch esearch Associate at Virginia C at Virginia Associate esearch (December 2011) enrolled in the graduate physics pro physics 2011) graduate the (December in enrolled est Integration E Integration est ngineer at S ngineer NL working with P with working NL ( alifornia. (August 2011) (August aP as aposition took M NL working with P with working NL NL working with P with working NL M (December 2011) (December aP as aposition took ( esearch S esearch (December 2011) enrolled in the graduate phys 2011) graduate the (December in enrolled ay 2012) took an Applications P ay 2012) Applications an took (December 2011) (December aP as aposition took M M ay 2012) enrolled in the graduate chemical chemical graduate the in ay 2012) enrolled NL working with P with working NL P with working NL N. ay 2012) took a position at Western Digital in in Digital ay 2012) at Western aposition took ay 2012) enrolled in the graduate physics physics graduate the in ay 2012) enrolled ompany in Lincoln, N Lincoln, in ompany M eagate T eagate M niversity of C niversity ay 2012) took a position as aR ay 2012) as aposition took ( idge National Laboratory. National idge NL working with P with working NL (December 2011) (December 2011) (December a as aposition took M M ay 2012) enrolled in the graduate physics physics graduate the in ay 2012) enrolled acific Northwest National Laboratory. National Northwest acific ( M cholar at the C at the cholar ngineer at S ngineer ay 2012) enrolled in the graduate phys graduate the in ay 2012) enrolled M ay 2012) enrolled in the graduate phys graduate the in ay 2012) enrolled niversity of M niversity niversity of M niversity ay 2012) enrolled in the graduate graduate the in ay 2012) enrolled ay 2012) took a position as a a ay 2012) as aposition took M echnology in M in echnology ay 2012, with Distinction) Distinction) ay 2012, with rofessor S rofessor NL working with P with working NL rofessor S rofessor rofessor Ducharme. rofessor alifornia, S alifornia, ommonwealth U ommonwealth rofessor Ducharme. rofessor Uiterwaal. rofessor eagate T eagate arolina S arolina alifornia Institute of of Institute alifornia aryland. innesota. hadwick. hadwick. rofessor Bloom. rofessor E . hadwick. innesota. an Diego. an echnology in in echnology tate U tate hysicist position position hysicist ostdoctoral ostdoctoral rofessor Hong. rofessor niversity of of niversity esearch esearch E MR niversity. niversity. ostdoctor ostdoc lec - -

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SPECTRUM 3 5 5 3 36 SPECTRUM The RecordThe • • • • • • • Philosophy of Doctor • • • • • • • • • • • • Master of Science • • • • • • Science of Bachelor 2012-2013 D toral R toral U P McGregor Cameron Scot Kong Lingmei at U position sociate Jason Keller A& P a 2013) as (August aposition Cheng-Wei took Huang “Wayne” Laboratory. search ( Glasbrenner James U P Assistant Fukutani Keisuke R ( Chen Xumin at U physics in program 2013) doctoral (August the entered Zhang Xin Tao Wang at U physics Scott Thomas at U Li Shijie T ductory Intro 2013) as (August aposition took Langan Thomas Shawn at U physics Qianqian Jiao at U physics Foreman Keith C in of America Bank 2013) with DeVaughan (August aposition took Otis Kayle at U physics Bhaskar Das at U physics in Clayburn Nathan ( Cao Shi at U physics in program 2013) doctoral (August the entered Brunkow Evan E Wu Hao E ( Szalewski Stephen T in teacher physics William Stewart Fangmeier Caleb at P program ( Cooper Susan ( Bravo Cameron R at U at U physics U at the program ostdoctoral R ostdoctoral R ostdoctoral ngineer at Garmin International. at Garmin ngineer conomics and P and conomics esearch Fellow at Lawrence Berkeley National Laboratory. National Berkeley at Lawrence Fellow esearch esearch C esearch niversity. NL working with P with working NL M NL working with P with working NL NL working with P with working NL . esearcher at P esearcher (August 2013) entered the doctoral program in physics physics in program 2013) doctoral (August the entered (August 2013) is studying at the London S London at the 2013) (August studying is M eaching Lab M Lab eaching ( rofessor in the Department of P Department the in rofessor ouncil P ouncil ay 2013) entered the doctoral program in physics at at physics in program ay 2013) doctoral the entered M NL working with P with working NL P with working NL P with working NL P with working NL P with working NL P with working NL NL working with P with working NL (August 2013) (August aP took ennsylvania S ennsylvania (August 2013) entered the doctoral program in in program 2013) doctoral (August the entered ay 2013) entered the doctoral program in physics physics in program ay 2013) doctoral the entered (August 2013) entered the doctoral program in in program 2013) doctoral (August the entered (August 2013) entered the doctoral program in in program 2013) doctoral (August the entered NL working with P with working NL esearcher at the U at the esearcher of P Department the in esearcher (December 2012) took a position as aP 2012) as aposition took (December M (August 2013) entered the doctoral program in in program 2013) doctoral (August the entered M niversity of C niversity ( ay 2013) took a position as aP ay 2013) as aposition took olitical S olitical ( M ay 2013) enrolled in the graduate physics physics graduate the in ay 2013) enrolled (August 2013) entered the doctoral program program 2013) doctoral (August the entered (December 2012) took a position as an an 2012) as aposition took (December M egree Reci M exas. ostdoctoral R ostdoctoral ay 2013) enrolled in the graduate physics physics graduate the in ay 2013) enrolled NL working with P with working NL acific Northwest National Laboratory. National Northwest acific M ay 2013) plans to become a high school school ahigh ay 2013) tobecome plans M rofessor Dowben. rofessor ay 2013) entered the graduate program in in program ay 2013) graduate the entered hicago, IL. hicago, ay 2013) took a position as aP ay 2013) as aposition took ay 2013) took a position as a National aNational ay 2013) as aposition took rofessor T rofessor rofessor Ducharme. rofessor anager in physics at U physics in anager (August 2013) took a position as a a 2013) as (August aposition took cience. tate U tate alifornia, Los Angeles. Los alifornia, rofessor Dowben. rofessor Dowben. rofessor Liou. rofessor Adenwalla. rofessor S rofessor Gay.rofessor rofessor Uiterwaal. rofessor niversity of T niversity niversity. niversity. esearcher at the Naval R Naval at the esearcher symbal. rofessor Gay.rofessor ostdoctoral R ostdoctoral pie rofessor C rofessor ellmyer. hysics at T hysics n oulouse, France. oulouse, NL. ostdoctoral ostdoctoral ts hysics at T hysics esearch As esearch laes. chool of of chool rocess rocess ohoku ohoku ostdoc e exas exas - - - - C M Fellowship Assistant Teaching Undergraduate Nitz Justin Fellowship Research Undergraduate Donna Kunkel Foreman Keith William E C Nathan Fellowship GAANN Donna Kunkel Knowlton Dan E Frederick Wayne Foreman Keith William E C Nathan E Fellowship GAANN M Iori T M Talitha Korn David Goit Om P Beck Joshua Fellowship Program Bridging 2011-2012 F T E Frederick Wayne Foreman Keith William E C Nathan E Becker Maria Fellowship Program Bridging 2010-2011 F FELLOWSHIPS &TRAINEESHIPS • •

M C Nitz Justin Fellowship Assistant Outreach and Education Distance Undergraduate Wolterman Lauren M M eter Beierle van Brunkow van Brunkow ric Jones ric Jones ric homas S homas hristina R assandra E assandra elissa T arina Bradaric atthew Wahila atthew M atthew Hesse neer at Western Digital in S in Digital at Western neer Zhang Rui Gruverman. R 2013) (August aP took Sharma Kumar Pankaj esearch Associate position at U position Associate esearch anabe est layburn layburn uehlbrad layburn cott cott chtenkamp chtenkamp chtenkamp iley olinelli tmund tmund (August 2013) took a position as aP 2013) as (August aposition took ellowshi p ellowshi

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