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Intercalate Phonon Densities of States for Alkali-Graphite Compounds

Published online by Cambridge University Press:  15 February 2011

W. A. Kamitakahara  and
H. Zabel
W. A. Kamitakahara
Affiliation:
Ames Laboratory-USDOE and Dept. of Physics, Iowa State University, Ames, Iowa 50011, USA
H. Zabel
Affiliation:
Dept. of Physics, University of Illinois at Urbana-Champaign and Materials Research Laboratory, Urbana, Illinois 61801, USA
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Abstract

Neutron scattering methods have been used to determine the partial phonon densities of states gM(ν) for inplane vibrations of M atoms in MCx compounds, where M = K, Rb or Cs, and x = 8, 24, 36. Only modes with both phonon wave vectors and displacements in the basal plane are represented in gM(ν). Detailed measurements of the temperature dependence were made for RbC24 and KC24, in order to study the influence of the order-disorder transformations in these compounds. The results are interpreted in terms of different pictures of the disordered state.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 20: Symposium H – Intercalated Graphite , 1982 , 317
Copyright
Copyright © Materials Research Society 1983

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References

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