Spectrally resolved thermoluminescence of pure potassium chloride crystals

被引：6
|
作者：
Mandowska, E. [1 ]
Majgier, R. [1 ]
Mandowski, A. [1 ]
机构：
[1] Jan Dlugosz Univ, Inst Phys, Armii Krajowej 13-15, PL-42200 Czestochowa, Poland
来源：
APPLIED RADIATION AND ISOTOPES | 2017年 / 129卷
关键词：
Thermoluminescence (TL); Spectrally resolved thermoluminescence (SR-TL); Potassium chloride (KCI); Beta irradiation; Trap levels; Recombination centers; OPTICALLY STIMULATED LUMINESCENCE; GAMMA-IRRADIATED KCL; GOODNESS-OF-FIT; TRAP PARAMETERS; SINGLE-CRYSTALS; DOSIMETRY; KINETICS; LIF-MG; CU; P; ORDER; RAY;
D O I：
10.1016/j.apradiso.2017.08.023
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Alkali halides are wide band gap dielectric materials, which are very important for luminescence dosimetry. Nevertheless, only some of them were studied comprehensively. Potassium chloride (KCl) is alkali halide material, which shows pronounced thermoluminescence (TL) and optically stimulated luminescence (OSL). The material occurs also in natural mineral form as sylvite (or sylvine). This paper presents results of spectrally resolved thermoluminescence (SR-TL) measurements of pure KCl crystals in temperature range 300-550 K for various doses of beta irradiation. Four emission bands were found relating to different recombination centers in this material. TL curves relating to these centers have different shape. It indicates that recombination centers are not filled concurrently.
引用
收藏
页码：171 / 179
页数：9
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