Abstract

CdS thin films were grown in cubic phase by using the Chemical Bath Deposition (CBD) technique. It has been observed that the layers experiment the cubic to the hexagonal structural phase transition, after thermal annealing in an Ar+S2 flux at approximately 300 °C at normal pressure. Thermally stimulated current (TSC) measurements in these films have been obtained for the first time, and the influence of thermal annealings on the TSC spectra has been studied. Experimental results indicate that defects are introduced into the material bulk during thermal annealings. Trap properties such as activation energy and capture cross section have been determined.

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