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Scientific article
English

Lattice dynamics and the diffuse phase transition of lithium sulphide investigated by coherent neutron scattering

Contributors

Bührer, W.; Altorfer, Felix; Mesot, J.; Bill, Hans; Carron, Pierre-Louis Germain; Smith, H.G.

Published in

Journal of physics. Condensed matter, vol. 3, no. 9, p. 1055-1064

Publication date

1991

Abstract

Elastic neutron diffraction of Li2S, measured as a function of temperature, shows the onset of a diffuse phase transition near 900 K to a highly conducting state. Inelastic neutron scattering has been used to investigate the harmonic lattice dynamics of Li2S at 15 K. A shell model has been successfully fitted to the data. The dynamical properties are computed within the harmonic approximation and compared with experimental data.

UNIGE affiliation entities

UNIGE research groups

Citation (ISO format)

BÜHRER, W. et al. Lattice dynamics and the diffuse phase transition of lithium sulphide investigated by coherent neutron scattering. In: Journal of physics. Condensed matter, 1991, vol. 3, n° 9, p. 1055–1064. doi: 10.1088/0953-8984/3/9/002

Identifiers

Additional URL for this publication

http://www.iop.org/EJ/article/-search=3972061.9/0953-8984/3/9/002/cm910902.pdf

Journal ISSN

0953-8984
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Technical informations

Creation

21/09/2009 16:19:40

First validation

21/09/2009 16:19:40

Update

14/03/2023 15:13:17

Status update

14/03/2023 15:13:17

Last indexation

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