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Title

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

Authors
Bührer, W.
Altorfer, Felix
Mesot, J.
Carron, Pierre-Louis Germain
Smith, H.G.
Published in Journal of Physics. Condensed Matter. 1991, vol. 3, no. 9, p. 1055-1064
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.
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Research group Groupe Bill
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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. https://archive-ouverte.unige.ch/unige:3038

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Deposited on : 2009-09-21

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