Luminescence and scintillation properties of Ce3+-doped SiO2-Al2O3-BaF2-Gd2O3 glasses

被引：17

作者：

Chewpraditkul, Weerapong ^{[1
]}

Pattanaboonmee, Nakarin ^{[1
]}

Yawai, Nattasuda ^{[1
]}

Chewpraditkul, Warut ^{[1
]}

Lertloypanyachai, Prapon ^{[2
]}

Sreebunpeng, Krittiya ^{[3
]}

Yoshino, Masao ^{[4
]}

Liu, Liwan ^{[5
]}

Chen, Danping ^{[5
]}

机构：

[1] King Mongkuts Univ Technol Thonburi, Bangkok 10140, Thailand

[2] Muban Chombueng Rajabhat Univ, Fac Sci & Technol, Ratchaburi 70150, Thailand

[3] Chandrakasem Rajabhat Univ, Fac Sci, Bangkok 10900, Thailand

[4] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

[5] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China

来源：

OPTICAL MATERIALS | 2019年 / 98卷

基金：

中国国家自然科学基金;

关键词：

Ce3+; Gd3+; Light yield; Luminescence; Scintillating glass; YIELD;

D O I：

10.1016/j.optmat.2019.109468

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ce3+-doped glasses with composition of (65-x)SiO2 - 20Al(2)O(3) -15BaF(2) -xGd(2)O(3) (x = 5, 10, 15, 20 and 25) were synthesized under CO atmosphere by melt-quenching method. The photoluminescence (PL) emission due to Ce3+: 5d(1) -> 4f transition was red-shifted with increasing Gd2O3 content. The acceleration of PL decay was observed with increasing Gd2O3 content. The scintillation efficiency of about 100% of the Bi4Ge3O12 scintillator was obtained for a 10%Gd2O3 containing glass while a high light yield (LY) of 2050 photons/MeV and energy resolution of 15.8% at 662 keV gamma rays was obtained for a 15%Gd2O3 containing glass. The integrating-time dependence of LY value and LY ratio (alpha/gamma ratio) under excitation with alpha- and gamma-rays were also measured.

引用

页数：5

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