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Defect Formation During Sublimation Bulk Crystal Growth of Silicon Carbide
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Description
<jats:title>Abstract</jats:title><jats:p>The defect formation during sublimation bulk crystal growth of silicon carbide (SiC) is discussed. SiC bulk crystals are produced by seeded sublimation growth (modified-Lely method), where SiC source powder sublimes and is recrystallized on a slightly cooled seed crystal at uncommonly high temperatures (≥2000°C). The crystals contain structural defects such as micropipes (hollow core dislocations), subgrain boundaries, stacking faults and glide dislocations in the basal plane. The type and density of the defects largely depend on the crystal growth direction, and many aspects are different between the growth parallel and perpendicular to the <0001> c-axis. Micropipes are characteristic defects to the c-axis growth, while a large number of stacking faults are introduced during growth perpendicular to the c-axis. We discuss the cause and mechanism of the defect formation</jats:p>
Journal
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- MRS Proceedings
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MRS Proceedings 510 1998-01-01
Springer Science and Business Media LLC
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Details 詳細情報について
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- CRID
- 1870865118260742784
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- ISSN
- 19464274
- 02729172
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- Data Source
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- OpenAIRE