Optical, scintillation properties and defect study of Gd2Si2O7:Ce single crystal grown by floating zone method

被引：13

作者：

Feng, He ^{[1
]}

Xu, Wusheng ^{[2
]}

Ren, Guohao

Yang, Qiuhong ^{[1
]}

Xie, Jianjun ^{[1
]}

Xu, Jun ^{[3
]}

Xu, Jiayue ^{[4
]}

机构：

[1] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200072, Peoples R China

[2] GE Global Res, Funct Mat Lab, Shanghai 201203, Peoples R China

[3] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 201800, Peoples R China

[4] Shanghai Inst Technol, Sch Mat Sci & Engn, Shanghai 201418, Peoples R China

来源：

PHYSICA B-CONDENSED MATTER | 2013年 / 411卷

关键词：

Gd2Si2O7:Ce; Single crystal; Optical properties; Thermally stimulated luminescence; Defects; CERIUM; LUMINESCENCE; CE;

D O I：

10.1016/j.physb.2012.11.042

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Single crystal of Gd2Si2O7:Ce (GPS) presenting attractive scintillation performance was grown by the floating zone method. The vacuum ultra-violet (VUV) excitation and emission, ultra-violet (UV) excitation and emission spectra and fluorescent decay time at 77 K and RT were measured and discussed. Relative energy levels of 5d sublevels of Ce3+ in GPS:Ce are detected by the VUV excitation spectrum. The UV emission curve of GPS:1%Ce peaks around 382 nm at 77 K and moves towards longer wavelength direction as temperature increases. Thermally stimulated luminescence (TSL) was employed to investigate the defects in GPS:1%Ce. Energy depths of two traps detected in GPS:1%Ce are 0.64 and 1.00 eV. (c) 2012 Elsevier B.V. All rights reserved.

引用

页码：114 / 117

页数：4

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