期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 446, 期 -, 页码 508-511出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2006.11.150
关键词
interstitial alloys; inelastic neutron scattering
A polycrystalline sample of nearly stoichiometric fee rhodium hydride was synthesised under high hydrogen pressure and then studied at ambient pressure and 5 K by inelastic neutron scattering in the range of energy transfers 35-380 meV. The fundamental band of optical hydrogen vibrations was shown to consist of a strong peak centred at 74 meV and broadened towards higher energies. The second and third band demonstrated essentially anharmonic behaviour. which is not typical of monohydrides of 3d- and 4d-metals with close-packed metal lattices. (C) 2006 Elsevier B.V. All rights reserved.
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