スケジュール 8 11:15 〜 11:30 [Th-2B-02] Changes in dislocation densities in 4H-SiC bulk crystals obtained by gas source method at a high growth rate *Norihiro Hoshino1, Isaho Kamata1, Takahiro Kanda3, Yuichiro Tokuda3, Naohiro Sugiyama2,3, Hironari Kuno3, Hidekazu Tsuchida1 (1. CRIEPI(Japan), 2. AIST(Japan), 3. DENSO CORP.(Japan))