In this paper, Dy³⁺ incorporated BaSi₂O₅ phosphors were synthesized by gel combustion method and characterized by X-ray diffraction (XRD). The effects of various heating rates on thermoluminescence (TL) kinetics and glow peak temperatures of Dy³⁺ incorporated BaSi₂O₅ phosphors exposed to β irradiation at room temperature were investigated. The glow curves of the phosphor exposed to β-irradiation (0.1–100 Gy) consist of four main peaks located at 87, 130, 271, and 327 °C and exhibit a good linearity between 0.1 and 100 Gy. Three experimental techniques including variable heating rate (VHR), repeated initial rise (RIR), peak shape (PS) and computerized glow curve deconvolution (CGCD) were employed to determine TL kinetic parameters. Our findings indicate that the TL glow peaks of the phosphor obey first-order kinetics. Analysis of the main dosimetric peaks through the techniques mentioned above indicates that activation energies (E) and pre-exponential factor (s) are in the range of 0.80–1.50 eV and 1.15 × 10⁸–3.28 × 10¹³ s⁻¹. Additionally, it is found that the temperature of the glow peaks shifts toward the higher temperatures and the TL intensity smoothly decreases as the heating rate increases. The effect on the TL intensities and glow peak temperatures of the heating rate is discussed in terms of thermal quenching.

本文采用凝胶燃烧法合成了掺入Dy ³⁺的BaSi ₂ O _{5荧光粉，并通过X射线衍射（XRD）对其进行了表征。}不同加热速率对掺入 Dy ³⁺的BaSi ₂ O _{5的热释光 (TL) 动力学和辉光峰温度的影响}研究了在室温下暴露于 β 辐射的荧光粉。暴露于 β 辐照 (0.1–100 Gy) 的荧光粉的辉光曲线由位于 87、130、271 和 327 °C 的四个主峰组成，在 0.1 和 100 Gy 之间表现出良好的线性。三种实验技术包括可变加热速率 (VHR)、重复初始上升 (RIR)、峰形 (PS) 和计算机化辉光曲线反卷积 (CGCD) 用于确定 TL 动力学参数。我们的研究结果表明，荧光粉的 TL 发光峰服从一级动力学。通过上述技术对主要剂量峰的分析表明，活化能 ( E ) 和指前因子 ( s ) 在 0.80–1.50 eV 和 1.15 × 10 ⁸ –3.28 × 10¹³秒^-1。此外，发现辉光峰的温度向更高的温度移动，并且随着加热速率的增加，TL强度平滑地降低。在热淬火方面讨论了加热速率对 TL 强度和辉光峰值温度的影响。