Hydrogen interaction and bound multiphonon states in vibrational spectra of titanium hydrides

I. O. Bashkin; A. I. Kolesnikov; V. Yu Malyshev; E. G. Ponyatovsky; M. Prager; J. Tomkinson

doi:10.1524/zpch.1992.1.1.367

Hydrogen interaction and bound multiphonon states in vibrational spectra of titanium hydrides

I. O. Bashkin, A. I. Kolesnikov, V. Yu Malyshev, E. G. Ponyatovsky, M. Prager, J. Tomkinson

Research output: Contribution to journal › Article › peer-review

Abstract

The δ and γ-phases of titanium hydride were studied by inelastic neutron scattering (INS). Biphonon and triphonon excitations were clearly observed in the γ-phase as distinct peaks split from two-phonon and three-phonon bands to lower energies. Bound multiphonon states seem to occur also in the δ-phase, they appeared in the INS spectra as hump-shaped features at the low-energy side of the free multiphonon bands.

Original language	English
Pages (from-to)	367-374
Number of pages	8
Journal	Zeitschrift fur Physikalische Chemie
Volume	1
Issue number	1
DOIs	https://doi.org/10.1524/zpch.1992.1.1.367
State	Published - 1992
Externally published	Yes

Keywords

Anharmonicity
Bi- and triphonon excitations
Neutron scattering
Ti hydrides

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10.1524/zpch.1992.1.1.367

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abstract = "The δ and γ-phases of titanium hydride were studied by inelastic neutron scattering (INS). Biphonon and triphonon excitations were clearly observed in the γ-phase as distinct peaks split from two-phonon and three-phonon bands to lower energies. Bound multiphonon states seem to occur also in the δ-phase, they appeared in the INS spectra as hump-shaped features at the low-energy side of the free multiphonon bands.",

keywords = "Anharmonicity, Bi- and triphonon excitations, Neutron scattering, Ti hydrides",

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T1 - Hydrogen interaction and bound multiphonon states in vibrational spectra of titanium hydrides

AU - Bashkin, I. O.

AU - Kolesnikov, A. I.

AU - Malyshev, V. Yu

AU - Ponyatovsky, E. G.

AU - Prager, M.

AU - Tomkinson, J.

PY - 1992

Y1 - 1992

N2 - The δ and γ-phases of titanium hydride were studied by inelastic neutron scattering (INS). Biphonon and triphonon excitations were clearly observed in the γ-phase as distinct peaks split from two-phonon and three-phonon bands to lower energies. Bound multiphonon states seem to occur also in the δ-phase, they appeared in the INS spectra as hump-shaped features at the low-energy side of the free multiphonon bands.

AB - The δ and γ-phases of titanium hydride were studied by inelastic neutron scattering (INS). Biphonon and triphonon excitations were clearly observed in the γ-phase as distinct peaks split from two-phonon and three-phonon bands to lower energies. Bound multiphonon states seem to occur also in the δ-phase, they appeared in the INS spectra as hump-shaped features at the low-energy side of the free multiphonon bands.

KW - Anharmonicity

KW - Bi- and triphonon excitations

KW - Neutron scattering

KW - Ti hydrides

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JO - Zeitschrift fur Physikalische Chemie

JF - Zeitschrift fur Physikalische Chemie

IS - 1

ER -

Hydrogen interaction and bound multiphonon states in vibrational spectra of titanium hydrides

Abstract

Keywords

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