Abstract:We have investigated the evolution of the microstructure, growth modes, and growth kinetics of β-SiC in a rapid thermal processor using FTIR, ESCA, and TEM. SiC layers were formed by reacting C2H4 with Si substrates between 900 and 1300°C at 5 torr. We found that SiC forms discrete nuclei at 900°C, a mixture of discrete nuclei with a thin β-SiC layer in between those nuclei at around 1000°C, and a continuous β-SiC layer above 1100°C. In all cases, β-SiC grows epitaxially on Si substrates. In addition, we ident… Show more
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