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Displaying 601 - 625 of 4268

Lattice Dynamics in the NASICON NaZr 2 (PO 4 ) 3 Solid Electrolyte from Temperature-Dependent Neutron Diffraction, NMR, and Ab Initio Computational Studies

May 10, 2022
Author(s)
Emily Morgan, Hayden Evans, Kartik Pilar, Craig Brown, Raphaele Clement, Ryo Maezono, Ram Seshadri, Bartomeu Monserrat, Anthony Cheetham
Natrium super ionic conductor (NASICON) compounds form a rich and highly chemically-tunable family of crystalline materials that are of widespread interest because they include exemplars with high ionic conductivity, low thermal expansion, and redox

Assessment of the reason for the vitrification of a wall at a hillfort. The example of Broborg in Sweden

May 9, 2022
Author(s)
Rolf Sjoblom, Eva Hjarthner-Holdar, Carolyn Pearce, Jamie Weaver, Erik Ogenhall, John McCloy, Jose Marcial, Edward Vicenzi, Michael Schweiger, Albert Kruger
It was discovered around 250 years ago that some of the rock material in the walls of some hillforts had been subjected to such high temperature that it had vitrified. This prompted a debate as to the reason for it that is still going on today: did the

Impact of Varying Side Chain Structure on Organic Electrochemical Transistor Performance: A Series of Oligoethylene Glycol-substituted Polythiophenes

April 19, 2022
Author(s)
Shinya Chen, Lucas Flagg, Jonathan Onorato, Lee J. Richter, Christine Luscombe, David Ginger
We study the electrochemical doping/dedoping kinetics, and the organic electrochemical transistor (OECT) performance of a series polythiophene homopolymers with ethylene glycol units in their side chains using both kosmotropic and chaotropic anion

Accelerated Green's function molecular dynamics

April 16, 2022
Author(s)
Vitor R. Coluci, Socrates de Oliveira Dantas Dantas, Vinod Tewary
A Green's function formalism has been applied to solve the equations of motion in classical molecular dynamics simulations. This formalism enables larger time scales to be probed for vibration processes in carbon nanomaterials. In Green's function

A Roadmap for LIMS at NIST Material Measurement Laboratory

April 11, 2022
Author(s)
Gretchen Greene, Jared Ragland, Zachary Trautt, June W. Lau, Raymond Plante, Joshua Taillon, Adam Abel Creuziger, Chandler A. Becker, Joe Bennett, Niksa Blonder, Lisa Borsuk, Carelyn E. Campbell, Adam Friss, Lucas Hale, Michael Halter, Robert Hanisch, Gary R. Hardin, Lyle E. Levine, Samantha Maragh, Sierra Miller, Chris Muzny, Marcus William Newrock, John Perkins, Anne L. Plant, Bruce D. Ravel, David J. Ross, John Henry J. Scott, Christopher Szakal, Alessandro Tona, Peter Vallone
Instrumentation generates data faster and in higher quantity than ever before, and interlaboratory research is in historic demand domestically and internationally to stimulate economic innovation. Strategic mission needs of the NIST Material Measurement

Magnetic-Field-Induced Dielectric Anomalies in Cobalt-Containing Garnets

April 11, 2022
Author(s)
Abbey J. Neer, Joanna Milam-Guerrero, Veronika A. Fischer, Michelle Zheng, Nicole R. Spence, Clayton Cozzan, Mingqiang Gu, James M. Rondinelli, Craig Brown, Brent C. Melot
We present a comparative study of the magnetic and crystal chemical proper-ties of two Co 2+ containing garnets.CaY 2Co 2Ge 3O 12 and NaCa 2Co 2V 3O 12 both exhibit the onset of antiferromagnetic order at 8 K and 6 K as well as field-induced transitions

Improved capacity and reversibility of solid-state Li-O2 battery through water-vapour-assisted cathode reaction

April 8, 2022
Author(s)
Cherno Jaye, Daniel A. Fischer, Mokwon Kim, Hyunpyo Lee, Hyuk Jae Kwon, Seong-Min Bak, Gabin Lee, Jung O. Park, Dong-Hwa Seo, Song Bok Ma, Dongmin Im
The development of a cathode for solid-state lithium-oxygen batteries has been hindered in practice by a low capacity and limited cycle life despite their potential for high energy density. Here, a previously unexplored strategy is proposed wherein the

Stacking Faults Assist Lithium-Ion Conduction in a Halide-Based Superionic Conductor

April 6, 2022
Author(s)
Elias Sebti, Hayden Evans, Hengning Chen, Peter Richardson, Kelly White, Raynald Giovine, Krishna P. Koirala, Yaobin Xu, Eliovardo Gonzalez-Correa, Chongmin Wang, Craig Brown, Anthony Cheetham, Pieremanuele Canepa, Raphaele Clement
In the pursuit of urgently-needed, energy dense solid-state batteries for electric vehicle and portable electronics applications, halide solid electrolytes offer a promising path forward with exceptional compatibility against high-voltage oxide electrodes
Displaying 601 - 625 of 4268
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