Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Pamela S. Whitfield"'
Autor:
Pamela S. Whitfield
Publikováno v:
Powder Diffraction. :1-12
Dimethyl carbonate (DMC) is an important industrial solvent but is additionally a common component of liquid lithium-ion battery electrolytes. Pure DMC has a melting point of 277 K, so encountering solidification under outdoor climatic conditions is
Autor:
Pamela S. Whitfield, Jason P. Hodges, Thomas Hűgle, Erik B. Iverson, Melanie J. Kirkham, A. A. Parizzi, George Q Rennich, Ashfia Huq, Katharine Page, Peter F. Peterson
Publikováno v:
Journal of Applied Crystallography
This work describes the design principles and upgrade of the neutron powder diffractometer POWGEN at the Spallation Neutron Source.
The neutron powder diffractometer POWGEN at the Spallation Neutron Source has recently (2017–2018) undergone an
The neutron powder diffractometer POWGEN at the Spallation Neutron Source has recently (2017–2018) undergone an
Autor:
Jinseon Park, Gabriel M. Veith, Jue Liu, Melanie J. Kirkham, Pamela S. Whitfield, Ashfia Huq, Mina Yoon, Bohang Song
Publikováno v:
Chemistry of Materials. 31:124-134
In this work, we examine the reaction mechanisms driven by the lithiation of Li1+δMn2O4 (0 ≤ δ ≤ 1) spinels via in operando neutron powder diffraction (NPD). New reaction mechanisms are proposed involving solid-solution regions within both cubi
Autor:
John E. Bonevich, David R. Black, James P. Cline, Joseph J. Ritter, Pamela S. Whitfield, Albert Henins, Marcus H. Mendenhall, James J. Filliben
Publikováno v:
Journal of Research of the National Institute of Standards and Technology. 125
This rather long-standing project has resulted in a National Institute of Standards and Technology (NIST) Standard Reference Material (SRM) for the analysis of crystallite size from a consideration of powder diffraction line profile broadening. It co
Publikováno v:
Inorganic Chemistry. 57:14106-14115
We report, for the first time, members of the Y xPr2- xO3 system with non-bixbyite or defect fluorite structures. The synthesis, structure, phase transitions, and high temperature reactivity of the trigonal A-type and monoclinic B-type structures are
Autor:
Joseph Wright, Jennifer L. Rygel, Pamela S. Whitfield, Irene Mona Peterson, Ying Shi, Michele Carlineo, Bryan R. Wheaton, Dong Ma
Publikováno v:
Journal of the American Ceramic Society. 102:1495-1506
Autor:
Albert Henins, Pamela S. Whitfield, Marcus H. Mendenhall, David R. Black, Craig M. Brown, James P. Cline, James J. Filliben
Publikováno v:
Powder Diffraction. 33:202-208
The National Institute of Standards and Technology (NIST) certifies a suite of Standard Reference Materials (SRMs) to address specific aspects of the performance of X-ray powder diffraction instruments. This report describes SRM 1879b, the third gene
Autor:
Wenduo Zhou, Steven Hartman, Hillary L. Smith, Douglas L. Abernathy, Joerg C. Neuefeind, Jooseop Lee, Vladsislav N. Sedov, Harley D. Skorpenske, Pamela S. Whitfield, Ke An, Peter F. Peterson, A. A. Parizzi, Garrett E. Granroth, Ashfia Huq
Publikováno v:
Journal of Applied Crystallography. 51:616-629
The Spallation Neutron Source at Oak Ridge National Laboratory, USA, ushered in a new era of neutron scattering experiments through the use of event-based data. Tagging each neutron event allows pump–probe experiments, measurements with a parameter
Autor:
Joey A. Lussier, Pamela S. Whitfield, Kalpana Singh, Mario Bieringer, Venkataraman Thangadurai, Fabian J. Simon
Publikováno v:
Inorganic Chemistry. 57:5607-5614
Solid oxide fuel cells (SOFCs) are solid-state electrochemical devices that directly convert chemical energy of fuels into electricity with high efficiency. Because of their fuel flexibility, low e...
Autor:
Hsiu-Wen Wang, Daniel Olds, James R. Neilson, Michael Crawford, Peter F. Peterson, Pamela S. Whitfield, Katharine Page
Publikováno v:
Journal of Applied Crystallography. 50:1744-1753
In situ total scattering measurements are increasingly utilized to follow atomic and nanoscale structural details of phase transitions and other transient processes in materials. This contribution presents an automated method and associated tool set