Compressibilities, Debye-Waller factors, and melting criteria for II-VI and III-V compound semiconductors

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Abstract
We calculate the compressibilities and mean-square displacements (MSD) for nine II-VI and III-V compound semiconductors having zinc-blende structure utilizing a recently proposed eight-parameter bond-bending force model. A modified Brout sum rule was used to calculate the compressibilities. The calculated values of the MSD are also used to check the validity of the Lindemann's melting criteria. Present theoretical results are discussed in the light of available experimental and earlier theoretical results. It is concluded that consideration of the temperature dependence of input data used to calculate the model parameters and inclusion of anharmonic interactions may give further insight into the results.