Luminescence Centers in Calcium Co-doped LSO:Ce Single Crystals

被引：0
|
作者：
Yang, Kan [1 ]
Melcher, Charles L. [1 ]
Zhuravleva, Mariya [1 ]
机构：
[1] Univ Tennessee, Dept Mat Sci & Engn, Scintillat Mat Res Ctr, Knoxville, TN 37996 USA
来源：
2009 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOLS 1-5 | 2009年
关键词：
co-doping; LSO; cerium; scintillator; MECHANISM;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Experimental studies of LSO:Ce crystals co-doped with various concentrations of Ca are presented. Photoluminescence decay time, excitation and emission spectra, thermal response and X-ray radioluminescence are investigated as a function of Ca concentration. Experimental data show Ca co-doping does not alter the energy level structure of either Ce1 or Ce2, but reduces the relative population of Ce2 to Ce1. Thus, the luminescence from Ce2 is suppressed, which contributes to the fast scintillation decay of Ca co-doped LSO:Ce.
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页码：1 / 5
页数：5
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