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Vibrational spectrum of magnesium hydride

AuthorsSantisteban, J. R.; Cuello, G. J. ; Dawidowski, J. ; Fainstein, A.; Peretti, H. A.; Ivanov, A.; Bermejo, Francisco Javier
Issue Date1-Jul-2000
PublisherAmerican Physical Society
CitationPhysical Review B 62: 37- 40 (2000)
AbstractThe vibrational spectrum of hydrogen atoms in magnesium hydride has been studied by means of inelastic-neutron and Raman-scattering experiments between 12 and 295 K. After careful evaluation of multiple scattering and multiphonon contributions, we provide a vibrational frequency spectrum up to 180 meV and the mean-square displacement of hydrogen atoms. The inelastic light scattering spectra of MgH2 powders show three Raman allowed modes (A1g, B1g, and Eg) and some smaller features that can be related with second-order and disorder-induced processes. ©2000 The American Physical Society.
Description4 págs.; 2 figs.
Publisher version (URL)https://doi.org/10.1103/PhysRevB.62.37
Identifiersdoi: 10.1103/PhysRevB.62.37
issn: 0163-1829
Appears in Collections:(CFMAC-IEM) Artículos
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