New Materials for Semi-Insulating SiC Single Crystal Growth by PVT Method
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The present research was focused on the effect of porous graphite plate in TaC-coated crucible on crystal quality and resistivity of semi-insulating SiC crystals. Two SiC crystals grown with/without porous graphite plate in TaC-coated crucible were systematically compared. 6H-SiC polytype was obtained on both crystals regardless of porous graphite plate. The quality of SiC crystal grown using porous graphite plate placed in the TaC-coated crucible was slightly better than SiC crystal without porous graphite plate. SiC crystals having an average resistivity value of about 1×1010 Ωcm were obtained. In the result of COREMA measurement, the use of porous graphite plate tends to obtain wafers with better uniformity in resistivity value.
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2013 ◽
Vol 740-742
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pp. 77-80
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2012 ◽
Vol 430-432
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pp. 361-364
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2015 ◽
Vol 821-823
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pp. 43-46
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2014 ◽
Vol 804
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pp. 107-110
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2016 ◽
Vol 26
(6)
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pp. 215-219
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