Lattice Dynamics of II-VI materials using adiabatic bond charge model

Details Lattice Dynamics of II-VI materials using adiabatic bond charge model Lattice Dynamics of II-VI materials using adiabatic bond charge model

1995-10-27

arxiv.org/abs/cond-mat/9510155v1

Physics

Condensed Matter

16 pages of RevTex with 3 figures submitted as a uuencode compressed tar file

Scientific paper

10.1103/PhysRevB.53.9052

We extend the adiabatic bond charge model, originally developed for group IV semiconductors and III-V compounds, to study phonons in more ionic II-VI compounds with a zincblende structure. Phonon spectra, density of states and specific heats are calculated for six II-VI compounds and compared with both experimental data and the results of other models. We show that the 6-parameter bond charge model gives a good description of the lattice dynamics of these materials. We also discuss trends in the parameters with respect to the ionicity and metallicity of these compounds.

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