Abstract

TEM investigation revealed that the rapid vacuum-thermal carbidization of silicon at 1100C leads to the formation of cubic silicon carbide (SiC) layers. The band of the IR transmission spectrum at 798 cm–1 corresponding to the stretching vibration of Si-C and the maximum of Raman spectrum at 793 cm–1 relating to transverse optical phonon mode of SiC confirm the formation of a layer of the cubic SiC politype. The absorption
 band of Si-O-Si (1100 cm–1) was found using the IR-spectroscopy. The dependence of the transmission coefficient on the wavenumber was determined.

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