Project supported by the National Natural Science Foundation of China and the Provincial Natural Science Foundation of Fujian
Ⅰ. INTRODUCTIONIn recent years, some strange behaviors of donor-related deep centers (DX center) in semiconductors of Ⅲ-Ⅴ compound mixcrystals such as Ge, Si or Sn in AlxGa1-x As and S, Se o...