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Preparation, kinetic analysis and thermoluminescent dosimetry features of highly sensitive SrF2:Dy phosphor

机译：高敏感SRF2：DY磷光体的制备，动力学分析和热致敏剂量分析

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Dy doped SrF2 microcrystalline was prepared by co-precipitation technique. Thermoluminescence (TL) glow curve of gamma irradiated SrF2:Dy phosphor consists of a main glow peak at 485 K with small shoulders at around 384 K and 590 K. The effects of different dopant concentrations and annealing regimes on TL sensitivity were investigated and the optimum conditions were achieved at 1 mol% of Dy dopant and annealing at 700 degrees C for 30 min. Initial rise, variable heating rate, isothermal decay and computerized glow curve deconvolution (CGCD) methods were applied to obtain kinetic parameters of the prepared material. TL sensitivity of this phosphor is about 10 times more than that of LiF;Mg;Ti (TLD-100). Based on the obtained results, the synthesized phosphor is appropriate for dosimetry applications.
机译：通过共沉淀技术制备Dy掺杂SRF2微晶。 γ辐照的SRF2的热致发光（TL）发光曲线：Dy磷光体由485 k的主要辉光峰组成，小肩部约为384 k和590 k。研究了不同掺杂剂浓度和退火制度对T1敏感性的影响，最佳 在1mol％的Dy掺杂剂和700℃下退火30分钟，实现了条件。 初始上升，可变加热速率，等温衰减和计算机化辉光曲线折叠卷积（CGCD）方法得到了制备的材料的动力学参数。 这种磷光体的敏感性比LiF的敏感性大约10倍;毫克; TI（TLD-100）。 基于所得的结果，合成的磷光体适用于剂量测定应用。

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