Abstract
A finite-element analysis of thermoelastic stresses is performed using the thermal fields predicted from a companion study [K. Edwards and J.J. Derby, J. Crystal Growth 179 (1997) 120] of the horizontal Bridgman growth of cadmium telluride and cadmium zinc telluride. Of special interest is the exploration of the shelf growth morphology and its effect on crystalline quality. The results of this study present a compelling argument for the benefits of shelf growth. Not only does the highly deflected interface characteristic of shelf growth act to shield the growing crystal from adverse crucible sticking interactions, the thermal conditions enhancing shelf growth, namely low thermal gradients and heating from below, act to minimize thermal stresses and further mitigate deleterious crucible interactions.
Published Version
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