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Phonon Spectrum of Second Stage Graphite-Bromine Intercalation Compounds

Published online by Cambridge University Press:  15 February 2011

Ch. Simon ,
F. Batallan ,
I. Rosenman  and
H. Lauter
Ch. Simon
Affiliation:
Groupe de Physique des Solides de l'Ecole Normale Supérieure - Université Paris 7–2, Place Jussieu, 75251 Paris Cedex 05, France
F. Batallan
Affiliation:
Groupe de Physique des Solides de l'Ecole Normale Supérieure - Université Paris 7–2, Place Jussieu, 75251 Paris Cedex 05, France
I. Rosenman
Affiliation:
Groupe de Physique des Solides de l'Ecole Normale Supérieure - Université Paris 7–2, Place Jussieu, 75251 Paris Cedex 05, France
H. Lauter
Affiliation:
Institut Laue-Langevin, 156 X, 38042 Grenoble Cedex, France
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Abstract

Coherent inelastic neutron scattering results on the second-stage graphite intercalation compound C8Br are presented. Phonons polarized along the c-axis and in the basal plane were observed. A phenomenological Born-von Kármán force constant model with non-axial symmetry is used with parameters adjusted in agreement with the results. Several specific points of the phonon spectrum which are outside of the limits of the model are discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 20: Symposium H – Intercalated Graphite , 1982 , 335
Copyright
Copyright © Materials Research Society 1983

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References

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