Luminescence and scintillation of Ce3+-doped oxide glass with high Gd2O3 concentration

被引：80
作者：
Chewpraditkul, W. [1 ]
He, X. [2 ,3 ]
Chen, D. [2 ]
Shen, Y. [2 ]
Sheng, Q. [2 ]
Yu, B. [3 ]
Nikl, M. [4 ]
Kucerkova, R. [4 ]
Beitlerova, A. [4 ]
Wanarak, C. [1 ]
Phunpueok, A. [1 ]
机构：
[1] King Mongkuts Univ Technol Thonburi, Dept Phys, Bangkok 10140, Thailand
[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
[3] Shanghai Univ, Dept Phys, Shanghai 201800, Peoples R China
[4] AS CR, Inst Phys, Prague 16253, Czech Republic
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2011年 / 208卷 / 12期
关键词：
Ce3+; light yield; luminescence; oxide glasses; scintillation; time-resolved luminescence; PHOSPHATE; CE3+;
D O I：
10.1002/pssa.201127365
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ce3+-doped oxide glass with high Gd2O3 (30?mol%) concentration was prepared as a scintillating glass under CO reducing atmosphere. A dominant emission band of the Ce3+ 5d???4f transition peaking around 400?nm was observed in the photo- and radioluminescence (PL, RL) spectra. PL decay was governed by a few tens of nanoseconds decay time. The integral scintillation efficiency of about 30% of the Bi4Ge3O12 scintillator was observed as well. It exhibits a light yield of about 910 photons/MeV with an energy resolution of 18.3% (FWHM) in the pulse height spectrum of 662?keV ?-rays from a 137Cs source.
引用
收藏
页码：2830 / 2832
页数：3
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