Lattice Dynamics of Cuprite (Cu2O)

  • G. E. Kugel
  • C. Carabatos
  • W. Kress

Abstract

The phonon dispersion curves of Cu2O have been calculated using a shell model which takes into account nearest neighbour 0-Cu, Cu-Cu and 0-0 interactions, long range Coulomb interactions and the electronic polarizability of both the oxygen and the copper ions.

The results are compared with the data obtained from ultrasound, infrared, Raman and inelastic neutron scattering measurements. The inter-relations between fcc-Cu and Cu2O are pointed out and the influence of deformations of the electronic charge density on the phonon dispersion curves is discussed.

Keywords

Ag20 Indigo Cuprite 

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Copyright information

© Plenum Press, New York 1983

Authors and Affiliations

  • G. E. Kugel
    • 1
  • C. Carabatos
    • 1
  • W. Kress
    • 2
  1. 1.University of MetzMetzFrance
  2. 2.Max-Plank Institut für FestkörperforschungStuttgartWest Germany

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