Zhang Hong-Hua, Zhang Chong-Hong, Li Bing-Sheng, Zhou Li-Hong, Yang Yi-Tao, Fu Yun-Chong. Optical properties revealing annealing behavior of high-temperature He-implantation induced defects in silicon carbideJ. Acta Physica Sinica, 2009, 58(5): 3302-3308. DOI: 10.7498/aps.58.3302