2021 MRS Fall Meeting Call for Papers (PDF)
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The Structure and Mechanics of Atomically-Thin
THE STRUCTURE AND MECHANICS OF ATOMICALLY-THIN GRAPHENE MEMBRANES A Dissertation Presented to the Faculty of the Graduate School of Cornell University in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy by Arend van der Zande Spring 2011 c 2011 Arend van der Zande ALL RIGHTS RESERVED THE STRUCTURE AND MECHANICS OF ATOMICALLY-THIN GRAPHENE MEMBRANES Arend van der Zande, Ph.D. Cornell University 2011 Graphene is an exciting new atomically-thin two dimensional system with ap- plications ranging from next generation transistors, to transparent and flexible electrodes, to nanomechanical systems. We study the structure, electronic, and mechanical properties of suspended graphene membranes, and use them to pro- duce mechanical resonators. We first showed that it was possible to produce suspended graphene membranes even down to one atom thick using exfoliated graphene, and resonate the mem- branes using optical interferometry. The resonators had frequencies in the MHz and quality factors from 20-850, but showed no reproducibility. In order to produce predictable and reproducible graphene resonators we de- veloped methods for making large arrays of single-layer graphene membranes of controlled size, shape and tension using chemical vapor deposition (CVD) grown graphene. We used transmission electron microscopy to study the polycrystalline structure of the graphene, we found that the different grains stitched together by disordered lines of 5-7 defects. Using electron transport and scanned probe techniques, we found that the polycrystalline grain structure reduces the ultimate strength of the graphene, but did not as strongly affect the electrical properties. We systematically studied the mechanical resonance of the single-layer CVD graphene membranes as a function of the size, clamping geometry, temperature and electrostatic tensioning. -
2005 Annual Report American Physical Society
1 2005 Annual Report American Physical Society APS 20052 APS OFFICERS 2006 APS OFFICERS PRESIDENT: PRESIDENT: Marvin L. Cohen John J. Hopfield University of California, Berkeley Princeton University PRESIDENT ELECT: PRESIDENT ELECT: John N. Bahcall Leo P. Kadanoff Institue for Advanced Study, Princeton University of Chicago VICE PRESIDENT: VICE PRESIDENT: John J. Hopfield Arthur Bienenstock Princeton University Stanford University PAST PRESIDENT: PAST PRESIDENT: Helen R. Quinn Marvin L. Cohen Stanford University, (SLAC) University of California, Berkeley EXECUTIVE OFFICER: EXECUTIVE OFFICER: Judy R. Franz Judy R. Franz University of Alabama, Huntsville University of Alabama, Huntsville TREASURER: TREASURER: Thomas McIlrath Thomas McIlrath University of Maryland (Emeritus) University of Maryland (Emeritus) EDITOR-IN-CHIEF: EDITOR-IN-CHIEF: Martin Blume Martin Blume Brookhaven National Laboratory (Emeritus) Brookhaven National Laboratory (Emeritus) PHOTO CREDITS: Cover (l-r): 1Diffraction patterns of a GaN quantum dot particle—UCLA; Spring-8/Riken, Japan; Stanford Synchrotron Radiation Lab, SLAC & UC Davis, Phys. Rev. Lett. 95 085503 (2005) 2TESLA 9-cell 1.3 GHz SRF cavities from ACCEL Corp. in Germany for ILC. (Courtesy Fermilab Visual Media Service 3G0 detector studying strange quarks in the proton—Jefferson Lab 4Sections of a resistive magnet (Florida-Bitter magnet) from NHMFL at Talahassee LETTER FROM THE PRESIDENT APS IN 2005 3 2005 was a very special year for the physics community and the American Physical Society. Declared the World Year of Physics by the United Nations, the year provided a unique opportunity for the international physics community to reach out to the general public while celebrating the centennial of Einstein’s “miraculous year.” The year started with an international Launching Conference in Paris, France that brought together more than 500 students from around the world to interact with leading physicists. -
Call for Papers | 2022 MRS Spring Meeting
Symposium CH01: Frontiers of In Situ Materials Characterization—From New Instrumentation and Method to Imaging Aided Materials Design Advancement in synchrotron X-ray techniques, microscopy and spectroscopy has extended the characterization capability to study the structure, phonon, spin, and electromagnetic field of materials with improved temporal and spatial resolution. This symposium will cover recent advances of in situ imaging techniques and highlight progress in materials design, synthesis, and engineering in catalysts and devices aided by insights gained from the state-of-the-art real-time materials characterization. This program will bring together works with an emphasis on developing and applying new methods in X-ray or electron diffraction, scanning probe microscopy, and other techniques to in situ studies of the dynamics in materials, such as the structural and chemical evolution of energy materials and catalysts, and the electronic structure of semiconductor and functional oxides. Additionally, this symposium will focus on works in designing, synthesizing new materials and optimizing materials properties by utilizing the insights on mechanisms of materials processes at different length or time scales revealed by in situ techniques. Emerging big data analysis approaches and method development presenting opportunities to aid materials design are welcomed. Discussion on experimental strategies, data analysis, and conceptual works showcasing how new in situ tools can probe exotic and critical processes in materials, such as charge and heat transfer, bonding, transport of molecule and ions, are encouraged. The symposium will identify new directions of in situ research, facilitate the application of new techniques to in situ liquid and gas phase microscopy and spectroscopy, and bridge mechanistic study with practical synthesis and engineering for materials with a broad range of applications. -
High-Throughput Design of Magnetic Materials
High-throughput Design of Magnetic Materials Hongbin Zhang Institute of Materials Science, TU Darmstadt, 64287 Darmstadt, Germany (Dated: August 28, 2020) Materials design based on density functional theory (DFT) calculations is an emergent field of great potential to accelerate the development and employment of novel materials. Magnetic mate- rials play an essential role in green energy applications as they provide efficient ways of harvesting, converting, and utilizing energy. In this review, after a brief introduction to the major functional- ities of magnetic materials, we demonstrated the fundamental properties which can be tackled via high-throughput DFT calculations, with a particular focus on the current challenges and feasible solutions. Successful case studies are summarized on several classes of magnetic materials, followed by bird-view perspectives for the future. Contents Glossary of acronyms I. Introduction 2 2D: two-dimensional AFM: antiferromagnetic II. Main applications of magnetic materials 3 A. Main applications 3 AHC: anomalous Hall conductivity III. Criticality and sustainability 4 ANC: anomalous Nernst conductivity IV. Main challenges and possible solutions 5 AMR: anisotropic magnetoresistance A. New compounds and phase diagram 5 B. Correlated nature of magnetism 7 ARPES: angle-resolved photoemission C. Magnetic ordering and ground states 8 BZ: Brillouin zone D. Magnetic fluctuations 10 E. Magnetic anisotropy and permanent magnets 12 DFT: density functional theory 1. Origin of magnetocrystalline anisotropy 12 2. Permanent magnets: Rare-earth or not? 13 DLM: disordered local moment F. Magneto-structural transitions 16 DOS: density of states G. Spintronics 18 H. Magnetic topological materials 21 DMFT: dynamical mean field theory I. Two-dimensional magnetic materials 23 DMI: Dzyaloshinskii-Moriya interaction V. -
Smutty Alchemy
University of Calgary PRISM: University of Calgary's Digital Repository Graduate Studies The Vault: Electronic Theses and Dissertations 2021-01-18 Smutty Alchemy Smith, Mallory E. Land Smith, M. E. L. (2021). Smutty Alchemy (Unpublished doctoral thesis). University of Calgary, Calgary, AB. http://hdl.handle.net/1880/113019 doctoral thesis University of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission. Downloaded from PRISM: https://prism.ucalgary.ca UNIVERSITY OF CALGARY Smutty Alchemy by Mallory E. Land Smith A THESIS SUBMITTED TO THE FACULTY OF GRADUATE STUDIES IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY GRADUATE PROGRAM IN ENGLISH CALGARY, ALBERTA JANUARY, 2021 © Mallory E. Land Smith 2021 MELS ii Abstract Sina Queyras, in the essay “Lyric Conceptualism: A Manifesto in Progress,” describes the Lyric Conceptualist as a poet capable of recognizing the effects of disparate movements and employing a variety of lyric, conceptual, and language poetry techniques to continue to innovate in poetry without dismissing the work of other schools of poetic thought. Queyras sees the lyric conceptualist as an artistic curator who collects, modifies, selects, synthesizes, and adapts, to create verse that is both conceptual and accessible, using relevant materials and techniques from the past and present. This dissertation responds to Queyras’s idea with a collection of original poems in the lyric conceptualist mode, supported by a critical exegesis of that work. -
Pnas11052ackreviewers 5098..5136
Acknowledgment of Reviewers, 2013 The PNAS editors would like to thank all the individuals who dedicated their considerable time and expertise to the journal by serving as reviewers in 2013. Their generous contribution is deeply appreciated. A Harald Ade Takaaki Akaike Heather Allen Ariel Amir Scott Aaronson Karen Adelman Katerina Akassoglou Icarus Allen Ido Amit Stuart Aaronson Zach Adelman Arne Akbar John Allen Angelika Amon Adam Abate Pia Adelroth Erol Akcay Karen Allen Hubert Amrein Abul Abbas David Adelson Mark Akeson Lisa Allen Serge Amselem Tarek Abbas Alan Aderem Anna Akhmanova Nicola Allen Derk Amsen Jonathan Abbatt Neil Adger Shizuo Akira Paul Allen Esther Amstad Shahal Abbo Noam Adir Ramesh Akkina Philip Allen I. Jonathan Amster Patrick Abbot Jess Adkins Klaus Aktories Toby Allen Ronald Amundson Albert Abbott Elizabeth Adkins-Regan Muhammad Alam James Allison Katrin Amunts Geoff Abbott Roee Admon Eric Alani Mead Allison Myron Amusia Larry Abbott Walter Adriani Pietro Alano Isabel Allona Gynheung An Nicholas Abbott Ruedi Aebersold Cedric Alaux Robin Allshire Zhiqiang An Rasha Abdel Rahman Ueli Aebi Maher Alayyoubi Abigail Allwood Ranjit Anand Zalfa Abdel-Malek Martin Aeschlimann Richard Alba Julian Allwood Beau Ances Minori Abe Ruslan Afasizhev Salim Al-Babili Eric Alm David Andelman Kathryn Abel Markus Affolter Salvatore Albani Benjamin Alman John Anderies Asa Abeliovich Dritan Agalliu Silas Alben Steven Almo Gregor Anderluh John Aber David Agard Mark Alber Douglas Almond Bogi Andersen Geoff Abers Aneel Aggarwal Reka Albert Genevieve Almouzni George Andersen Rohan Abeyaratne Anurag Agrawal R. Craig Albertson Noga Alon Gregers Andersen Susan Abmayr Arun Agrawal Roy Alcalay Uri Alon Ken Andersen Ehab Abouheif Paul Agris Antonio Alcami Claudio Alonso Olaf Andersen Soman Abraham H. -
SOCIETY NEWS Water and Sanitation Challenges to Be Focus of 4Th Electrochemical Energy Summit by Dan Fatton
SOCIETY NEWS Water and Sanitation Challenges To Be Focus of 4th Electrochemical Energy Summit by Dan Fatton ECS is partnering with the Bill & Melinda Gates Foundation’s Water, Foundation to help address the urgent water and sanitation challenges Sanitation & Hygiene (WASH) initiative to host a multi-day workshop the world is facing,” says ECS President Paul Kohl. “This partnership at the 2014 International Electrochemical Energy Summit (E2S) in provides a unique opportunity for researchers to generate potential Cancun, Mexico being held October 5-9, 2014. The workshop will solutions and then almost immediately start testing them.” culminate in the on-the-spot distribution of over $200,000 in seed The workshop will kick off with remarks from current awardees funding from ECS, addressing critical technology gaps in water, of the Bill & Melinda Gates Foundation. Participants will be guided sanitation, and hygiene challenges being faced around the world. through facilitated brainstorming and working group sessions by ECS hopes to improve access to clean water and sanitation in Brandy Salmon of RTI International. Attendees will work in full developing countries by leveraging the brainpower of the many group and breakout sessions to address complex scientific issues, gaps scientists in electrochemistry and solid state science and technology and needs. They will be encouraged create partnerships and surface attending the 2014 ECS and SMEQ Joint International Meeting. (See new approaches to existing challenges within the WASH portfolio. page 21 for more information about this meeting.) At least two grants will be distributed on the last day of the meeting Priority topic areas will include interfaces, disinfection, energy from the more than $200,000 available, each in the range of $25,000- generation, energy storage, chemical conversion, monitoring and $100,000. -
Deixis Department of Energy Computational Science Graduate Fellowship Science Graduate of Energy Computational Department
THE ANNUAL 2015 DEIXIS DEPARTMENT OF ENERGY COMPUTATIONAL SCIENCE GRADUATE FELLOWSHIP SCIENCE GRADUATE OF ENERGY COMPUTATIONAL DEPARTMENT BRIGHT IDEA Eric Isaacs probes how metal nanoparticles supercharge sunlight’s water-splitting feat PAGE 5 THE ANNUAL DEIXIS TABLE OF CONTENTS DEIXIS, The DOE CSGF Annual is published by the Krell Institute. Krell administers the Department of Energy Computational Science Graduate Fellowship (DOE CSGF) program for the DOE under contract DE-FG02-97ER25308. For additional information about the DOE CSGF program, the Krell Institute or topics covered in this publication, please go to: www.krellinst.org/csgf Or contact: Editor, DEIXIS Krell Institute 1609 Golden Aspen Drive, Suite 101 Ames, IA 50010 (515) 956-3696 Copyright 2015 Krell Institute. All rights reserved. 4 22 Practicum Profiles Winning CYSE Essay Summer Application Communicate Your Science DEIXIS (ΔΕΙΞΙΣ — pronounced da¯ksis) transliterated from classical Greek into the Roman alphabet, means 5 Eric Isaacs || Shining a Light on & Engineering Contest a display, mode or process of proof; the process of Water-splitting Reactions 22 Andrew Stershic || Building Batteries showing, proving or demonstrating. DEIXIS can also refer to the workings of an individual’s keen 9 Aurora Pribram-Jones || Putting Theory from the Microstructure Up intellect, or to the means by which such individuals, into Practice, Under Pressure e.g. DOE CSGF fellows, are identified. 13 Aaron Sisto || Conducting Ensembles DEIXIS is an annual publication of the Department of to Ferret Out Features 24 Energy Computational Science Graduate Fellowship Howes Scholar program that highlights the work of fellows and alumni. Matthews Recognized for Leadership DOE CSGF funding is provided by the DOE Office of 16 in Computational Chemistry Advanced Scientific Computing Research (ASCR) within Alumni Profiles the Office of Science and the Advanced Simulation and Computing (ASC) program within the National Nuclear From Alumni to Leaders Security Administration. -
2019 CNMS User Meeting Agenda
Cover Image Clockwise, starting at the top right picture with horizontal layout 1. Ferroelectric domains in CuInP2S6 made visible by piezoresponse force microscopy. (Nina Wisinger). 2. STS map at Fermi surface shows the vortex lattices of superconducting Ni doped BaFe2As2 under a magnetic field of 4T at 4K (Zheng Gai). 3. Atomically precise graphene nanoribbons grown on a gold substrate with molecular precursors (An-Ping Li). 4. SEM image of exfoliated iron oxide (rust) from a steel plate (Bernadeta Srijanto/Dale Hensley). 5. A special aberration correction algorithm shows that Si/SiGe interfacial widths can be accurately measured with a 1 precision using atom probe tomography (APT) as verified with scanning transmission electron microscopy measurements. The image shows APT atom maps aligned with a STEMÅ -HADDF image of a Si/SiGe interface from the same wafer region (Jonathan Poplawsky). Further details can be found here: https://science.energy.gov/bes/highlights/2018/bes-2018-08-e/ 6. WS2 crystals grown by chemical vapor deposition amidst lithographically-patterned Si nanopillars. SEM and AFM topography images (lower two panels) indicate triangular monolayer crystals, while intensity maps of second harmonic generation (top) and photoluminescence reveal crystalline domains and defects. (Alex Puretzky/Kai Xiao). 7. Helium ion microscope image of milled CVD graphene on SiN. The difference in contrast is a result of helium ion collisions defecting the graphene, which reduces the conductivity. (Jake Swett, Univ. of Oxford) 8. The Cu exchanged SSZ-13 zeolite catalyst shows a remarkedly improved lifetime compared to that of ZSM-5 in diesel engine catalytic converters for NOx reduction. -
Michel Foucault Ronald C Kessler Graham Colditz Sigmund Freud
ANK RESEARCHER ORGANIZATION H INDEX CITATIONS 1 Michel Foucault Collège de France 296 1026230 2 Ronald C Kessler Harvard University 289 392494 3 Graham Colditz Washington University in St Louis 288 316548 4 Sigmund Freud University of Vienna 284 552109 Brigham and Women's Hospital 5 284 332728 JoAnn E Manson Harvard Medical School 6 Shizuo Akira Osaka University 276 362588 Centre de Sociologie Européenne; 7 274 771039 Pierre Bourdieu Collège de France Massachusetts Institute of Technology 8 273 308874 Robert Langer MIT 9 Eric Lander Broad Institute Harvard MIT 272 454569 10 Bert Vogelstein Johns Hopkins University 270 410260 Brigham and Women's Hospital 11 267 363862 Eugene Braunwald Harvard Medical School Ecole Polytechnique Fédérale de 12 264 364838 Michael Graetzel Lausanne 13 Frank B Hu Harvard University 256 307111 14 Yi Hwa Liu Yale University 255 332019 15 M A Caligiuri City of Hope National Medical Center 253 345173 16 Gordon Guyatt McMaster University 252 284725 17 Salim Yusuf McMaster University 250 357419 18 Michael Karin University of California San Diego 250 273000 Yale University; Howard Hughes 19 244 221895 Richard A Flavell Medical Institute 20 T W Robbins University of Cambridge 239 180615 21 Zhong Lin Wang Georgia Institute of Technology 238 234085 22 Martín Heidegger Universität Freiburg 234 335652 23 Paul M Ridker Harvard Medical School 234 318801 24 Daniel Levy National Institutes of Health NIH 232 286694 25 Guido Kroemer INSERM 231 240372 26 Steven A Rosenberg National Institutes of Health NIH 231 224154 Max Planck -
Nanoscale Imaging of Lithium Ion Distribution During in Situ Operation Of
Nanoscale Imaging of Lithium Ion Distribution During In Situ Operation of Battery Electrode and Electrolyte Megan E. Holtz,1+ Yingchao Yu,2+ Deniz Gunceler,3 Jie Gao,2 Ravishankar Sundararaman,3 Kathleen A. Schwarz,2 Tomás A. Arias,3 Héctor D. Abruña,2 David A. Muller1,4* 1 School of Applied and Engineering Physics, Cornell University, Ithaca, NY 14853 2 Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853 3 Department of Physics, Cornell University, Ithaca, NY 14853 4 Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, NY 14853 + These authors contributed equally to this work. *Corresponding author 1 A major challenge in the development of new battery materials is understanding their fundamental mechanisms of operation and degradation. Their microscopically inhomogeneous nature calls for characterization tools that provide operando and localized information from individual grains and particles. Here we describe an approach that images the nanoscale distribution of ions during electrochemical charging of a battery in a transmission electron microscope liquid flow cell. We use valence energy-loss spectroscopy to track both solvated and intercalated ions, with electronic structure fingerprints of the solvated ions identified using an ab initio non- linear response theory. Equipped with the new electrochemical cell holder, nanoscale spectroscopy and theory, we have been able to determine the lithiation state of a LiFePO4 electrode and surrounding aqueous electrolyte in real time with nanoscale resolution during electrochemical charge and discharge. We follow lithium transfer between electrode and electrolyte and observe charging dynamics in the cathode that differ among individual particles. This technique represents a general approach for the operando nanoscale imaging of electrochemically active ions in a wide range of electrical energy storage systems. -
Deep Sub-Εngstrom Imaging of 2D Materials with a High Dynamic
Deep sub-Ångstrom imaging of 2D materials with a high dynamic range detector Yi Jiang*1, Zhen Chen*2, Yimo Han2, Pratiti Deb1,2, Hui Gao3,4, Saien Xie2,3, Prafull Purohit1, Mark W. Tate1, Jiwoong Park3, Sol M. Gruner1,5, Veit Elser1, David A. Muller2,5 1. Department of Physics, Cornell University, Ithaca, NY 14853, USA 2. School of Applied and Engineering Physics, Cornell University, Ithaca, NY 14853, USA 3. Department of Chemistry, Institute for Molecular Engineering, and James Franck Institute, University of Chicago, Chicago, IL 60637, USA 4. Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, USA 5. Kavli Institute at Cornell for Nanoscale Science, Ithaca, NY 14853, USA ABSTRACT Aberration-corrected optics have made electron microscopy at atomic-resolution a widespread and often essential tool for nanocharacterization. Image resolution is dominated by beam energy and the numerical aperture of the lens (α), with state-of-the-art reaching ~0.47 Å at 300 keV. Two-dimensional materials are imaged at lower beam energies to avoid knock-on damage, limiting spatial resolution to ~1 Å. Here, by combining a new electron microscope pixel array detector with the dynamic range to record the complete distribution of transmitted electrons and full-field ptychography to recover phase information from the full phase space, we increased the spatial resolution well beyond the traditional lens limitations. At 80 keV beam energy, our ptychographic reconstructions significantly improved image contrast of single-atom defects in MoS2, reaching an information limit close to 5α, corresponding to a 0.39 Å Abbe resolution, at the same dose and imaging conditions where conventional imaging modes reach only 0.98 Å.