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Cesium State, Thermal Evolution In Csc24

Published online by Cambridge University Press:  15 February 2011

H. Estrade-Szwarckopf,
J. Conard,
P. Lauginie,
J. Van Der Klink,
P. Lagrange,
D. Guerard,
F. Rousseauxl,
L.C.M.A. Nancy,
A. Maaroufi and
G. Hermann
H. Estrade-Szwarckopf
Affiliation:
crsoci-Cnrs, 45045 Orleans Cedex
J. Conard
Affiliation:
crsoci-Cnrs, 45045 Orleans Cedex
P. Lauginie
Affiliation:
crsoci-Cnrs, 45045 Orleans Cedex
J. Van Der Klink
Affiliation:
Institut De Physique Expérimentale, EPFL, CH-1015 Lausanne
P. Lagrange
Affiliation:
BP.239, 54506 Vandoeuvre
D. Guerard
Affiliation:
BP.239, 54506 Vandoeuvre
F. Rousseauxl
Affiliation:
BP.239, 54506 Vandoeuvre
L.C.M.A. Nancy
Affiliation:
BP.239, 54506 Vandoeuvre
A. Maaroufi
Affiliation:
C.R.P.P. Université de Bordeaux I, 33405 Talence
G. Hermann
Affiliation:
Bruker Spectrospin, 67160 Wissembourg
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Abstract

By 133Cs and 13C NMR, EPR, susceptibility anisotropy and X-Ray diffraction,we studied the thermal evolution of Cs24 from 100 to 500 K. A smooth transition is observed near 300 K which can be interpreted in structural and electronic terms: at lower temperatures, the Cs atoms are located in a disordered manner on graphitic hexagonal sites and are almost completely ionized; in the high temperature state, the Cs atoms are completely disordered relatively to the graphitic lattice and their electrons are at least partly relocalized on the metallic s-function.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 20: Symposium H – Intercalated Graphite , 1982, 369
Copyright
Copyright © Materials Research Society 1983

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References

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