Interaction of ZrMo2 with hydrogen at high pressure |
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| Authors: | S.A. Lushnikov E.A. Movlaev V.N. Verbetsky V.A. Somenkov S.S. Agafonov |
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| Affiliation: | 1. Department of Chemistry, Lomonosov Moscow State University, Leninsky Hills 1/3, 119992 Moscow, Russia;2. RSC “Kurchatov Institute”, Kurchatov Square 1, 123182 Moscow, Russia |
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| Abstract: | The interaction of hydrogen with ZrMo2 intermetallic compound at pressure up to 2500 bars has been studied. In ZrMo2–H2 system desorption isotherms were measured and thermodynamic parameters of hydride phase decomposition were calculated. The structure of ZrMo2D4.0 deuteride has been investigated by X-ray and neutron diffraction methods. It was revealed that ordering of deuterium in the cubic lattice of ZrMo2 led to the formation of superstructure with tetragonal lattice. The occupancy of the positions of deuterium and metal atoms was determined. |
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| Keywords: | Hydrogen Intermetallic compounds Laves phase C15 Hydrides Neutron diffraction High pressure |
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