A Simple Bond Charge Model for the Phonon Dispersion Relations in Tellurium
- 15 April 1973
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Physics
- Vol. 51 (8) , 843-847
- https://doi.org/10.1139/p73-114
Abstract
The phonon dispersion relations in tellurium are calculated on the basis of a bond charge model. In this model the effects of covalent bonding are simulated by the action of point charges positioned midway between nearest neighboring atoms. The electrostatic forces are supplemented by two-body interactions between the atoms. A model with 5 adjustable parameters provides a fair overall representation of the dispersion curves.Keywords
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