Thermoluminescence characteristics of lithium borosilicate glass doped with Sm2O3,Luminescence

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Thermoluminescence characteristics of lithium borosilicate glass doped with Sm2O3
Luminescence ( IF 3.2 ) Pub Date : 2020-08-25 , DOI: 10.1002/bio.3939
A Abdelmonem ₁ , Huda A Alazab ₂ , E Salama _{1,

3} , H A Saudi ₄ , H Elhosany ₁

Affiliation

Lithium borosilicate glass composite (SiO₂–Li₂CO₃–H₃BO₃) doped with various concentrations of Sm₂O₃ (0–0.7 mole %) was prepared using the melt quenching method. The investigated thermoluminescence (TL) characteristics of the prepared system revealed that the highest TL response was obtained for this glass composite at 0.05 mol% Sm₂O₃. In this study, the 0.05 mol% Sm₂O₃‐doped lithium borosilicate glass composite was subjected to detailed dosimetric investigation in terms of its annealing condition, dose–response, and minimum detectable dose. The reproducibility of the response, thermal characteristics, and optical fading were also studied. The obtained results showed that the prepared glass composite had a linear dose–response over the wide gamma dose range 2Gy to 2 kGy, as well as reasonable thermal fading and excellent reproducibility. These attributes render the composite under investigation promising for utilization in radiation detection.

中文翻译：

Sm2O3掺杂的硼硅酸锂玻璃的热致发光特性

采用熔融淬火法制备了掺有不同浓度的Sm ₂ O ₃（0〜0.7摩尔％）的硼硅酸锂玻璃复合材料（SiO ₂ –Li ₂ CO ₃ –H ₃ BO ₃）。所制备系统的研究的热致发光（TL）特性表明，在0.05mol％的Sm ₂ O _3下，该玻璃复合材料获得了最高的TL响应。在这项研究中，0.05 mol％Sm ₂ O ₃对掺杂硼硅酸锂玻璃复合材料的退火条件，剂量响应和最小可检测剂量进行了详细的剂量学研究。还研究了响应的重现性，热特性和光学衰减。获得的结果表明，所制备的玻璃复合材料在2Gy至2kGy的宽伽马剂量范围内具有线性剂量响应，并且具有合理的热褪色性和出色的重现性。这些特性使所研究的复合材料有望用于辐射检测。

更新日期：2020-08-25

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