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

页码：2830 / 2832

页数：3

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