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On-axis Homoepitaxy...
On-axis Homoepitaxy on Full 2- 4H-SiC Wafer for High Power Applications
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- ul-Hassan, Jawad, 1974- (författare)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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- Bergman, Peder, 1961- (författare)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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- Henry, Anne, 1959- (författare)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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Brosselard, P. (författare)
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Godignon, P. (författare)
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- Janzén, Erik, 1954- (författare)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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(creator_code:org_t)
- Trans Tech Publications, 2009
- 2009
- Engelska.
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Ingår i: Materials Science Forum Vols. 615-617. - : Trans Tech Publications. - 9780878493340 ; , s. 133-136
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.4...
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Abstract
Ämnesord
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- Homoepitaxial growth has been performed on Si-face nominally on-axis 4H-SiC substrates. Special attention was paid to the surface preparation before starting the growth. Si-face polished surfaces were studied after etching under C-rich, Si-rich and under pure hydrogen ambient conditions. In-situ surface preparation, starting growth parameters and growth temperature are found to play a vital role to maintain the polytype stability in the epilayer. High quality epilayers with 100% 4H-SiC were obtained on full 2” wafer. Complete PiN structure was grown and more than 70% of the diodes showed a stable behavior and the forward voltage drift was less than 0.1 V. Also, a comparison of the electroluminescence images of diodes before and after heavy injection of 125 A/cm2 for 30 min did not show any sign of stacking fault formation in the device active region.
Nyckelord
- NATURAL SCIENCES
- NATURVETENSKAP
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