Observation of low-frequency excitations of hydrogen in zirconium

The inelastic neutron scattering (INS) on ZrH sub x systems (x = 0.38, 0.52 and 0.80) revealed low-frequency excitations located within the energy range 2-10 meV. Besides the lattice vibrations specific to alpha -HCP metallic Zr and gamma -FCO Zr hydride, the fine structure of these excitations is c...

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Published inPhysica. B, Condensed matter Vol. 276-278; pp. 841 - 842
Main Authors Radulescu, A, Padureanu, I, Beldiman, A, Rapeanu, S N, Kozlov, Z A, Semenov, V A
Format Journal Article
LanguageEnglish
Published 01.09.1999
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Summary:The inelastic neutron scattering (INS) on ZrH sub x systems (x = 0.38, 0.52 and 0.80) revealed low-frequency excitations located within the energy range 2-10 meV. Besides the lattice vibrations specific to alpha -HCP metallic Zr and gamma -FCO Zr hydride, the fine structure of these excitations is clearly observed. The origin of the new observed peaks is not very clear but a proton tunneling or a resonance effect in alpha -Zr lattice could be taken into account.
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ISSN:0921-4526