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Raman spectroscopy was applied to investigate a series of SiC films grown on Si and 6H-SiC substrates by a new method of solid gas phase epitaxy. During the growth characteristic voids are formed in Si at the SiC/Si interface. Raman peak position, intensity and linewidth were used to characterize the quality and the polytype structure of the SiC layers. A large enhancement in the peak intensity of the transverse optical and longitudinal optical phonon modes of SiC is observed for the Raman signal measured at the voids. In addition, scanning electron microscopy and atomic force microscopy were used to investigate the surface morphology of SiC layers.
Sprache
Englisch
Identifikatoren
ISSN: 0255-5476, 1662-9752
eISSN: 1662-9752
DOI: 10.4028/www.scientific.net/MSF.645-648.359
Titel-ID: cdi_proquest_miscellaneous_743737991
Format
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