公开(公告)号：EP3865917A1

公开(公告)日：2021-08-18

申请号：EP20184309.1

申请日：2016-02-15

申请人： Saint-Gobain Ceramics and Plastics, Inc.

发明人： YANG, Kan ,  MENGE, Peter R. ,  FRANK, John M.

IPC分类号： G01T1/20 ,  G01T1/202 ,  G21K4/00

摘要： A scintillation crystal can include a sodium halide that is co-doped with thallium and another element. In an embodiment, the scintillation crystal can include NaX:Tl, Me, wherein X represents a halogen, and Me represents a Group 1 element, a Group 2 element, a rare earth element, or any combination thereof. In a particular embodiment, the scintillation crystal has a property including, for radiation in a range of 300 nm to 700 nm, an emission maximum at a wavelength no greater than 430 nm; or an energy resolution less than 6.4% when measured at 662 keV, 22°C, and an integration time of 1 microsecond. In another embodiment, the co-dopant can be Sr or Ca. The scintillation crystal can have lower energy resolution, better proportionality, a shorter pulse decay time, or any combination thereof as compared to the sodium halide that is doped with only thallium.