An empirical relationship between ionic charge and the electronic polarizability of binary and ternary tetrahedral semiconductors

In this paper, we present an empirical expression relating to the electronic polarizability alpha (angstrom(3)) for binary and ternary tetrahedral semiconductors with the product of ionic charges (Z(1) and Z(2)) and nearest-neighbor distance d (angstrom). The electronic polarizability of these compounds exhibits a linear relationship when plotted on a log-log scale against the nearest-neighbor distance d (angstrom), but falls on different straight lines according to the ionic charge product of the compounds. We have applied the proposed relation to zinc blende and complex structured solids and found a better agreement with experimental data compared to the values evaluated by earlier researchers.