Abstract

The crystal/melt interface shape is an important factor in determining the crystal quality during crystal growth. To determine the evolution of the interface shape, the relative temperature gradient function Sv(R) is used as a criterion. This function can be derived from careful analysis of the energy balance at the crystal/melt interface. Some results are presented based on the simplified model of crystal conduction and the Czochralski bulk flow model where the crystal pulling rate is set to zero at a certain crystal length and the growth system is in a steady state.

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