Abstract

Thermocapillary flow dominates melt convection in floating zone crystal growth under microgravity, and a steady and axisymmetrical thermocapillary flow is helpful for the high quality crystal growth, however thermocap‐illary flow tends to become non‐axisymmetrical and unsteady with increasing grown crystal size. To investigate the convection control by rotating magnetic field (RMF) in semiconductor crystal growth, thermocapillary flow in a three dimensional floating half zone model is simulated. The result indicates the three‐dimensional unstable thermocapillary flow returns to a steady and axisymmetric convection in a proper RMF under microgravity.

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