Schedule 5 4:15 PM - 6:15 PM [We-P-15] Annealing behavior of double Shockley stacking faults in heavily nitrogen-doped 4H-SiC crystals *Kana Shimada1, Kanta Asada1, Noboru Ohtani1 (1. Kwansei Gakuin University, School of Science and Technology(Japan))