Date of this Version
United States Patent, Patent No .: US 10,892,416 B2
Perovskite single crystal X-ray and gamma-ray radiation detector devices include an X-ray and gamma-ray wavelength responsive active layer including a perovskite single crystal. The perovskite single crystal is a perovskite single crystal having a structure of ABX3 , wherein A is methyl ammonium ( CH2NH2+), CS+, formamidinum ( H2NCHNH2+) , or Rb+ or a mixture thereof, B is Pb2+ which can be partially or completely replaced by other ions including Bi3+, Sb3+, Sn2+ or a mixture thereof, and X is a halide anion , thiocyanate ( SCN–) or a mixture thereof.