Neutron scattering study of lithium-graphite intercalation compounds
作者： J. Rossat-Mignod , D. Fruchart , M.J. Moran , J.W. Milliken , J.E. Fischer
DOI: 10.1016/0379-6779(80)90039-9
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摘要: Abstract Elastic and inelastic neutron scattering are reported for stage 1 2 Li-graphite. The principal results as follows: 1. (1) No evidence was found the previously stacking transition in LiC 6 ; normal AαAα ...stacking persists down to 10 K. 2. (2) C -parameter of increases rapidly with increasing T (1.5% between 300 490 K). This may be a precursor Li order-disorder which occurs above 500 3. (3) Upon heating 520 K, transforms into dilute phase, predicted by Safran. 4. (4) dispersion LA phonon propagating along c shows 40% increase sound velocity relative pure graphite, compared 10% RbC 8 . confirms existence strong interlayer interactions
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