Combustion synthesis and luminescence characteristics of NaSr4(BO3)3:Tb3+

被引：23
作者：
Bajaj, N. S. [1 ]
Omanwar, S. K. [1 ]
机构：
[1] St Gadge Baba Amravati Univ, Dept Phys, Amravati 444602, Maharashtra, India
来源：
JOURNAL OF LUMINESCENCE | 2014年 / 148卷
关键词：
Borates; Combustion synthesis; Thermoluminescence; Photoluminescence; THERMOLUMINESCENCE; PHOSPHOR; DOSIMETRY; CRYSTALS; TL;
D O I：
10.1016/j.jlumin.2013.12.034
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Polycrystalline powder sample of NaSr4(BO3)(3) synthesized by modified solution combustion synthesis method. The prepared sample was characterized through XRD, TGA-DTA, FTIR and SEM. The thermoluminescence and some of the dosimetric characteristics of Tb3+ activated NaSr4(BO3)(3) under the X-ray irradiation were reported. The TL glow curve consists of two well separated glow peaks at 185 degrees C and 318 degrees C. The optimum concentration is 0.005 mol to obtain the highest intensity approximately comparable to commercial TLD-100. TL kinetic parameters of NaSr4(BO3)(3):Tb3+ were deduced by the peak shape method. TL dose response is linear in the range of measurement. Also photoluminescence spectra of NaSr4(BO3)(3):Tb3+ shows characteristic green emission when excited with 236 nm UV source. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：169 / 173
页数：5
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