2023/11/07 by Joghlaf, M., Ababou, Y., Sayouri, S.
#Average Wave Speed #Binary Semiconductors #Bond Stretching #Bulk Modulus #Interatomic Force Constant #Ionic Materials.
paper · doi:10.48317/imist.prsm/morjchem-v12i1.36301
The vibrational dispersion relation of solid linear lattice of diatomic primitive cell, taking to account only the nearest-neighbor interaction between atoms, after generalizing it to become expressive of the three-dimensional one, was used to obtain a mathematical relation connecting the interatomic bond stretching force constant with the bulk modulus and the equilibrium lattice constant for ANB8-N binary semiconductors and binary ionic materials (monatomic ones automatically included). The analytical approach was supported by computer statistical adjustment, and the accuracy of the obtained mathematical formula was confirmed by comparing it with many values reported by other researchers with large number of materials of different groups, each of whom got a mathematical relation that differs from those of the others.