The Elastic Constants of Gallium Phosphide

Abstract

The elastic constants of GaP have been determined by the ultrasonic phase-comparison method. The frequency range and temperature for the measurements were 8–20 MHz and 300°K, respectively. The compressibility, Debye temperature, and average longitudinal sound velocity in GaP are calculated. The elastic constants of GaP are found to agree with the regularities established from the measurement of these constants in other III–V compounds.