期刊
出版社
ELSEVIER
DOI: 10.1016/j.nima.2018.12.038
关键词
LuAG ceramics; Radiation hardness; Slow component suppressed; Co-doping
类别
资金
- U.S. Department of Energy, Office of High Energy Physics program [DE-SC0011925]
Because of its bright and fast scintillation cerium-doped Lu3Al5O12 (LuAG:Ce) crystals have attracted an interest in the high energy physics community. Compared to inorganic crystals, fabrication of ceramic scintillators features with a lower temperature and a more effective use of raw materials, thus promising cost-effective inorganic scintillators. Our investigations revealed excellent radiation hardness of LuAG:Ce ceramics in both transmittance and light output against an ionization dose up to 200 Mrad and a proton fluence up to 3x10(14) p/cm(2). We also investigated light output and decay kinetics for LuAG:Ce ceramics with different Ce doping levels and various co-dopings. The results show increased light output and slow scintillation component when the Ce doping level increases. Ca2+ co-doping is found effective in suppressing slow scintillation component in LuAG:Ce ceramics. We also discuss the status of LuAG ceramic scintillators and future development plan.
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