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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… Click to show full 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 Title: Crystallography Reports
Year Published: 2020
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