期刊
IEEE TRANSACTIONS ON NUCLEAR SCIENCE
卷 56, 期 5, 页码 2955-2959出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNS.2009.2026475
关键词
Crystals; nuclear power instrumentation; optical materials; scintillation detectors; scintillators
资金
- Hatano Foundation in IMRAM
- Tohoku University
- Murata Science Foundation
- Japan Securities Scholarship Foundation
This paper describes the first report of a Pr3+-doped transparent ceramic Lu3Al3O12(Pr:LuAG) scintillator. Transparent ceramic Pr 0.25 mol% doped LuAG was developed by a sintering method, and achieved 70% transparency at wavelengths longer than 310 nm. The emission wavelength of the ceramic Pr:LuAG shifts to longer wavelengths than that of its single crystalline counterpart. The light yield was measured by irradiation of Cs-137, and was almost half as that of the single crystalline counterpart. The energy resolution at 662 keV was 12% which was about three times as worse as that of the single crystalline one. The decay time showed a big difference with the single crystalline one because its slower component disappeared due to defects.
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