The lattice dynamics of III–V compounds has been investigated on a 'rigid ion' type of model. The interactions are assumed to consist of Coulomb forces with an effective charge and a general force constant field up to and including second neighbors. Results are presented for the dispersion curves, frequency distribution functions, and effective calorimetric and X-ray Debye temperatures for AlSb, GaP, GaAs, and InSb. The agreement with the experimental data, where available, is reasonable.
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Banerjee et al. (1969) studied this question.