Abstract
Vapor transport of CdS in a closed ampoule due to a temperature gradient was investigated. Comparisons between the theoretical and experimental growth rate for the following conditions were made: (1) with and without the presence of Ar gas, (2) convective contribution to the growth rate in the vertical and horizontal configurations, and (3) the effect of starting material composition on the growth rate. It was found that Cd reacts with fused silica ampoules and causes the contamination of CdS samples.
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