Ontology type: schema:ScholarlyArticle
2019-06
AUTHORSA. A. Lebedev, I. P. Nikitina, N. V. Seredova, N. K. Poletaev, S. P. Lebedev, V. V. Kozlovski, A. V. Zubov
ABSTRACTPhotoluminescence (PL) spectra have been studied in 3C-SiC/4H-SiC heterostructures and 3C‑SiC single crystals. It was shown that epitaxial 3C-SiC layers grown on 4H-SiC substrates have a markedly poorer crystal perfection than do 3C-SiC single crystals. It was found that doping with aluminum gives rise to a characteristic PL both in epitaxial layers and in 3C-SiC single crystals. At the same time, the electron irradiation of epitaxial layers does not give rise to defect-related PL, in contrast to what is observed for single crystals. An assumption is made that the twin boundaries existing in epitaxial 3C-SiC layers can serve as getters of radiation defects that are components of donor–acceptor pairs responsible for the “defect-related” PL. More... »
PAGES557-559
http://scigraph.springernature.com/pub.10.1134/s1063785019060117
DOIhttp://dx.doi.org/10.1134/s1063785019060117
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