Correlations between the energy gap, optical electronegativity and bulk mod
ulus are given for compound and ternary chalcopyrite semiconductors. Bulk m
odulus and electronic polarizability values have been evaluated from the op
tical electronegativity. The estimated values of these parameters are in go
od agreement with the available experimental data. (C) 2000 Elsevier Scienc
e B.V. All rights reserved.