Thermoluminescence properties of Ce3+-doped LiSr4(BO3)3 phosphor

被引：40

作者：

Jiang, L. H.

Zhang, Y. L.

Li, C. Y. ^{[1
]}

Hao, J. Q.

Su, Q.

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Rare Earth Chem & Phys, Changchun 130022, Peoples R China

[2] Natl Inst Metrol, Ionizing Radiat Div, Beijing 130000, Peoples R China

[3] Sun Yat Sen Univ, Sch Chem & Chem Engn, State Key Lab Opt Elect Mat & Technol, Guangzhou, Peoples R China

来源：

MATERIALS LETTERS | 2007年 / 61卷 / 29期

关键词：

thermoluminescence; LiSr4(BO3)(3); dosimetry; kinetics; phosphors;

D O I：

10.1016/j.matlet.2007.04.016

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Borates LiSr4(BO3)(3) were synthesized by high-temperature solid-state reaction. The thermoluminescence (TL) and some of the dosimetric characteristics of Ce3+-activated LiSr4(BO3)(3) were reported. The TL glow curve is composed of only one peak located at about 209 degrees C between room temperature and 500 degrees C. The Optimum Ce3+ concentration is 1 mol% to obtain the highest TL intensity. The TL kinetic parameters of LiSr4(BO3)(3):0.01Ce(3+) were studied by the peak shape method. The TL dose response is linear in the protection dose ranging from 1 mGy to 1 Gy. The three-dimensional thermoluminescence emission spectra were also studied, peaking at 441 and 474 nm due to the characteristic transition of Ce3+. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：5107 / 5109

页数：3

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