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Structure of Polycrystalline CeNi3-Based Intermetallic Hydrides at 293 and 5 K

Structure of Polycrystalline CeNi3-Based Intermetallic Hydrides at 293 and 5 K The structure of polycrystalline CeNi3Н3.0 hydride samples at 5 and 293 K has been studied by neutron diffraction. The hydrides have a rhombic lattice (sp. gr. Pmcn, no. 62, Z = 12). The site parameters of metal and hydrogen atoms have been determined. It is established that the distribution of hydrogen atoms over the hydride structure sites at 5 K is similar to the hydrogen distribution at room temperature. A comparison of the neutron diffraction patterns obtained at different temperatures indicates a change in the sample microstructure upon cooling. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crystallography Reports Springer Journals

Structure of Polycrystalline CeNi3-Based Intermetallic Hydrides at 293 and 5 K

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Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Inc. 2020
ISSN
1063-7745
eISSN
1562-689X
DOI
10.1134/S1063774520010149
Publisher site
See Article on Publisher Site

Abstract

The structure of polycrystalline CeNi3Н3.0 hydride samples at 5 and 293 K has been studied by neutron diffraction. The hydrides have a rhombic lattice (sp. gr. Pmcn, no. 62, Z = 12). The site parameters of metal and hydrogen atoms have been determined. It is established that the distribution of hydrogen atoms over the hydride structure sites at 5 K is similar to the hydrogen distribution at room temperature. A comparison of the neutron diffraction patterns obtained at different temperatures indicates a change in the sample microstructure upon cooling.

Journal

Crystallography ReportsSpringer Journals

Published: Jan 25, 2020

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