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

被引：39
|
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
收藏
页码：5107 / 5109
页数：3
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