A Kinetic Model of Silicon Carbide Oxidation Based on the Interfacial Silicon and Carbon Emission Phenomenon

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Published 13 February 2009 ©2009 The Japan Society of Applied Physics
, , Citation Yasuto Hijikata et al 2009 Appl. Phys. Express 2 021203 DOI 10.1143/APEX.2.021203

1882-0786/2/2/021203

Abstract

We proposed a kinetic model for thermal oxidation of silicon carbide, termed "silicon and carbon emission model", taking into account the Si and C emissions from the oxidation interface, which lead to a reduction of interfacial reaction rate. We used this model to calculate oxide growth rates and found that the derived growth rates showed a good fit with the measured rates over the entire oxide thickness for both the C and Si faces. We discussed the difference in oxidation mechanism between these polar faces in terms of the difference in parameter values deduced from the curve fits.

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10.1143/APEX.2.021203