[D-2-3] Formation of Graphene with Low Pit Density on SiC Assisted by Plasma Oxidation and Its Characterization 〇Makoto Ochi1, Ouki Minami1, Yasuhisa Sano1, Kentaro Kawai1, Kazuya Yamamura1, Kenta Arima1 (1.Osaka University) Keywords:Characterization、SiC、Plasma oxidation、Transfer、Graphene