Schedule 4 3:30 PM - 3:45 PM [Tu-3B-07] Enhancement of ODMR Contrasts of Silicon Vacancy in SiC by Thermal Treatment *Yoji Chiba1,2, Yuichi Yamazaki2, Shin-ichiro Sato2, Takahiro Makino2, Naoto Yamada2, Takahiro Satoh2, Yasuto Hijikata1, Takeshi Ohshima2 (1. Saitama Univ.(Japan), 2. QST(Japan))