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  • Carlsson, Patrick, 1975-, et al. (author)
  • Intrinsic Defects in HPSI 6H-SiC : an EPR Study
  • 2009
  • In: Materials Science Forum, Vols. 600-603. - : Trans Tech Publications. ; , s. 381-384
  • Conference paper (peer-reviewed)abstract
    • High-purity, semi-insulating 6H-SiC substrates grown by high-temperature chemical vapor deposition were studied by electron paramagnetic resonance (EPR). The carbon vacancy (VC), the carbon vacancy-antisite pair (VCCSi) and the divacancy (VCVSi) were found to be prominent defects. The (+|0) level of VC in 6H-SiC is estimated by photoexcitation EPR (photo-EPR) to be at ~ 1.47 eV above the valence band. The thermal activation energies as determined from the temperature dependence of the resistivity, Ea~0.6-0.7 eV and ~1.0-1.2 eV, were observed for two sets of samples and were suggested to be related to acceptor levels of VC, VCCSi and VCVSi. The annealing behavior of the intrinsic defects and the stability of the SI properties were studied up to 1600°C.
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  • Result 1-1 of 1
Type of publication
conference paper (1)
Type of content
peer-reviewed (1)
Author/Editor
Magnusson, Björn, 19 ... (1)
Janzén, Erik, 1954- (1)
Nguyen, Son Tien, 19 ... (1)
Carlsson, Patrick, 1 ... (1)
University
Linköping University (1)
Language
English (1)
Year
2009 (1)

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