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LASER-FOCUSED Grant Luhmann Laura Millsaps Breehan Gerlemanlucchesi Kerry Gibson Steve Karsjen Educating Andtrainingtomorrow’S Scientifictalent

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LASER-FOCUSED Grant Luhmann Laura Millsaps Breehan Gerlemanlucchesi Kerry Gibson Steve Karsjen Educating Andtrainingtomorrow’S Scientifictalent Science & Technology at the Ames Laboratory 2014 Issue 2 NEW MATERIALS VIA 3D PRINTING Boosting NMR sensitivity with microwaves Ionic liquids for rare-earth recovery Shielding sensitive instruments LASER-FOCUSED CMI, Year One Listening to Industry PA8GE 4 Awards Schwartz 10 Reflects SIF NEARING COMPLETION 6 Learning the 12 Language of Cell Life Anja Mudring Ionic Liquids, High Hopes 14 Ames Laboratory’s16 3D Printing Technology Education Contents 19 Steve Karsjen: Public Affairs Director Copyright 2014 by the Ames Laboratory. All rights Editor, Inquiry Kerry Gibson: Editor reserved. For additional information about the Ames Ames Laboratory Laboratory or topics covered in this publication, 111 TASF Breehan Gerleman Lucchesi: Contributing Editor please contact: Ames, Iowa 50011-3020 Laura Millsaps: Contributing Editor 515-294-9557 Grant Luhmann: Art Director www.ameslab.gov The Ames Laboratory is a U.S. Department of Energy national laboratory seeking solutions to energy-related Inquiry is published biannually by the Ames problems through the exploration of chemical, engineering, materials and mathematical sciences, and physics. Laboratory Office of Public Affairs. Iowa Established in the 1940s with the successful development of the most efficient process to produce high-purity State University operates the Laboratory uranium metal for atomic energy, Ames Lab now pursues much broader priorities than the materials research that for the U.S. Department of Energy under has given the Lab international credibility. Responding to issues of national concern, Ames Laboratory scientists contract DE AC02 07CH11358. are actively involved in innovative research, science education programs, the development of applied technologies and the quick transfer of such technologies to industry. Uniquely integrated within a university environment, the U.S. DEPARTMENT OF Office of Lab stimulates creative thought and encourages scientific discovery, providing solutions to complex problems and Science educating and training tomorrow’s scientific talent. ENERGY From the Director Building our Future t seems like everywhere you turn at the “youth,” CMI has been exceedingly busy, and successful, Ames Laboratory, there’s something new. We’re in the during its inaugural year with research by its various partners process of constructing our first new research facility resulting in more than a dozen invention disclosures. You Iin more than 50 years to house electron microscopes can find out more about CMI’s progress onpage 8. and other sensitive instruments. The $10 million Sensitive Another research group, this one led by Marit Nilsen- Instrument Facility, scheduled to open by the summer of Hamilton, is on the brink of creating a technology that would 2015, will provide a real boost in our ability to probe materials allow a clearer look at the complex interchange between at the atomic level, free from outside influences such as the microorganisms in soils and the cellular activities of vibration and electro-magnetic interference. You I was impressed with the Laboratory and its people even can take a peek at the building as it takes shape on pages 6 and 7. before I took on my new role, but have come to appreciate this This past summer, we installed state-of-the art solid-state dynamic nuclear polarization nuclear organization in a whole new light in my magnetic resonance equipment, or DNP-NMR. brief tenure. The commitment to excellence The technology uses microwaves to polarize electrons, then transfers that polarization to the here is very strong and the examples we’re nuclei of the sample being studied. The result highlighting in this issue are proof positive is a huge leap in the sensitivity of the spectral signal acquired. that we’re moving forward on multiple fronts We’ve also begun using 3D printing in a to create materials and energy solutions! number of ways—to prototype materials rapidly or “print” organic and inorganic materials, such as ceramics plants’ root systems, what scientists and metals. The Ames Laboratory-led Critical Materials call the rhizosphere. The researchers Institute, a U.S. Department of Energy Innovation Hub, is are using aptamers, short strands of using its LENS (laser engineered netshaping) MR-7 system genetic material that bind to a specific to combine up to four different metal powders in a nearly target molecule, a sort of non-destructive imaging, extended infinite variety of alloy compositions and gradients. The to biological systems. Read about this work on page 12, system, shown on the cover and on page 16, uses a laser to There’s even a new face —mine— in the Director’s Office. melt the powders as they are deposited onto a substrate. For I took over as Director of the Ames Laboratory effective June catalysis, Ames Laboratory scientists Igor Slowing and Aaron 1, replacing Alex King who stepped down to lead the Critical Sadow are using different types of 3D printers to develop Materials Institute. I was impressed with the Laboratory processes for creating unique materials and structures (see and its people even before I took on my new role, but have the story on pages 16-18). come to appreciate this organization in a whole new light in Yet another CMI-funded research group, led by Anja my brief tenure. The commitment to excellence here is very Mudring, is working to develop ionic liquids for use in strong, and the examples we’re highlighting in this issue are improving the rare-earth separation process, either for use proof positive that we’re moving forward on multiple fronts extracting rare earths from ore or recycling rare earths from to create materials and energy solutions! discarded magnets. You can read more about this work on page 14. Adam Schwartz, Director Even the CMI itself is still relatively new, having just celebrated its first official birthday this fall. Despite its Inquiry Issue 2 | 2014 3 Paul Canfield Sergey Bud’ko Costas Soukoulis Ames Lab scientists named Most Influential and characterization of novel electronic and magnetic Scientific Minds compounds and their interesting physical properties. Three Ames Laboratory physicists, Paul Canfield, Soukoulis researches the properties of disordered systems Sergey Bud’ko, and Costas Soukoulis, were recently with an emphasis on electron and photon localization, named to Thomson Reuters’ World’s Most Influential photonic crystals, random lasers, metamaterials, left- Scientific Minds 2014. handed materials, random magnetic systems, nonlinear Researchers earned inclusion on the list by writing systems, and amorphous semiconductors. Canfield Awards the greatest number of highly cited papers, ranking and Soukoulis are both distinguished professors in the among the top one percent for their subject field and Department of Physics and Astronomy at Iowa State year of publication between 2002 and 2012. According University. Bud’ko is an adjunct associate physics to Thomson Reuters, the work of the scientists ranked professor, also at Iowa State. has “consistently been judged by peers to be of particular “This honor is gratifying, but not surprising,” said significance and utility.” The three were named highly Ames Laboratory Director Adam Schwartz. “Our cited researchers in a list compiled by Thomson Reuters scientists have earned the respect of their peers of more than 3,000 scientists in 21 fields of research. internationally, and that is based not on reputation alone All three conduct research in the Ames Laboratory’s but on solid and measurable contributions to their fields. Division of Materials Sciences and Engineering. We at the Lab congratulate Paul, Sergey, and Costas on Canfield and Bud’ko study the design, discovery, growth their recognition.” Thiel wins 2014 Welch Award Pat Thiel has been named the 2014 winner of the AVS Medard W. Welch Award, which recognizes outstanding research in the fields of materials, interfaces and processing. Thiel, who is a faculty scientist at the U.S. Department of Energy’s Ames Laboratory and a Distinguished Professor of chemistry at Iowa State University, is recognized for her “seminal contributions to the understanding of quasicrystalline surfaces and thin-film nucleation and growth.” “We congratulate Pat on the Welch Award and for her outstanding contributions to the field of surface chemistry. Pat’s work in understanding the surface structures of complex materials has advanced the understanding of quasicrystals and nanoparticles on Pat Thiel metal and semiconductor surfaces,” said Adam Schwartz, director of the Ames Laboratory. surface science. I am humbled and honored to be joining The Welch Award was established in 1969 and their ranks. The award really recognizes much more Thiel is the first woman to win the Welch Award in its than me. It recognizes my many talented coworkers 44-year history. and the agencies that have enabled our work, especially “This award is defined by the people who won it the Department of Energy and the National Science before me. They have been the giants in the field of Foundation,” said Thiel. 4 Inquiry Issue Issue 2 2 | |2014 2013 Former interns win scholarships Two participants in the U.S. Department of Energy physics professor. Lindemann has participated in hands- Office of Science’s Science Undergraduate Laboratory on x-ray reflectivity and fluorescence research. Lindemann Internship (SULI) research program at the Ames is a two-time participant in the SULI program, having also Laboratory have been awarded prestigious scholarships, participated in the summer 2013 SULI program, also with
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