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Annealing behavior ...
Annealing behavior of the EB-centers and M-center in low-energy electron irradiated n-type 4H-SiC
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- Beyer, Franziska (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Hemmingsson, Carl (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Pedersen, Henrik (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Henry, Anne (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Janzén, Erik (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Isoya, J. (författare)
- University of Tsukuba
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- Morishita, N. (författare)
- Japan Atom Energy Agency
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- Ohshima, T. (författare)
- Japan Atom Energy Agency
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(creator_code:org_t)
- American Institute of Physics, 2011
- 2011
- Engelska.
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Ingår i: Journal of Applied Physics. - : American Institute of Physics. - 0021-8979 .- 1089-7550. ; 109:10, s. 103703-
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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http://liu.diva-port...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- After low-energy electron irradiation of epitaxial n-type 4H-SiC with a dose of 5 x 10(16) cm(-2), the bistable M-center, previously reported in high-energy proton implanted 4H-SiC, is detected in the deep level transient spectroscopy (DLTS) spectrum. The annealing behavior of the M-center is confirmed, and an enhanced recombination process is suggested. The annihilation process is coincidental with the evolvement of the bistable EB-centers in the low temperature range of the DLTS spectrum. The annealing energy of the M-center is similar to the generation energy of the EB-centers, thus partial transformation of the M-center to the EB-centers is suggested. The EB-centers completely disappeared after annealing temperatures higher than 700 degrees C without the formation of new defects in the observed DLTS scanning range. The threshold energy for moving Si atom in SiC is higher than the applied irradiation energy, and the annihilation temperatures are relatively low, therefore the M-center, EH1 and EH3, as well as the EB-centers are attributed to defects related to the C atom in SiC, most probably to carbon interstitials and their complexes.
Nyckelord
- TECHNOLOGY
- TEKNIKVETENSKAP
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