Characterization of donor–acceptor-pair emission in fluorescent 6H-SiC

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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We investigated donor–acceptor-pair emission in N–B-doped 6H-SiC samples by using photoluminescence (PL) and angle-resolved PL. It is shown that n-type doping with concentrations larger than 1018 cm−3 is favorable for observing luminescence, and increasing nitrogen results in stronger luminescence. A dopant concentration difference greater than 4×1018 cm−3 is proposed to help achieve intense PL. Angular-dependent PL was observed that was attributed to the Fabry–Pérot microcavity interference effect, and a strong luminescence intensity in a large emission angle range was also achieved. The results indicate that N–B-doped fluorescent SiC is a good wavelength converter in white LED applications.
Original languageEnglish
JournalPhysica Scripta
Publication date2012
Volume2012
IssueT148
Pages014003
ISSN0031-8949
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 0
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