Low-temperature relaxation in the ZnSe : VV2+ crystal

Abstract

Low-temperature anomalies in absorption of the fast transverse and longitudinal ultrasonic waves are revealed in a ZnSe crystal lightly doped (5.6 ? 1018 cm-3) with V2+ ions. These anomalies are interpreted as a manifestation of the Jahn-Teller effect. The temperature dependence of the relaxation time of the impurity 3d electrons is established. © 2008 Pleiades Publishing, Ltd.