Abstract
An integrated numerical model for CdZnTe growth has been developed combining global heat transfer and elastic thermal stress sub-models for the proposed modified Bridgman system. The global heat transfer sub-model accounts for heat transfer in the multiphase system, convection in the melt, and interface dynamics. The elastic thermal stress submodel is used to predict the thermal stresses in the growing crystal caused by non-uniform temperature distribution as well as interaction between the crystal and the ampoule. The global temperature distribution in the furnace is predicted. The effects of the Grashof and Marangoni numbers on the shape of growth front are studied. The effect of thermal stresses in the growing crystal due to ampoule wall contact has also been investigated to understand the plastic deformation mechanisms during the growth.
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