Abstract

Quasi-thermodynamic model of SiC doping with Al in CVD from C3H8, SiH4, and Al (CH3)3 on the Si-face is developed. The model is validated by quantitative agreement of calculated and experimental data on the Al concentration in SiC as a function of temperature, pressure, SiC growth rate, and TMAl flow rate. The model is shown to be consistent with the site competition mechanism of Al incorporation into SiC.

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