Gd3+掺杂硼磷酸钡锂玻璃：利用“r编程：tgcd”进行剂量学应用的结构、光学和热释光发光曲线研究

IF 5.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Research Bulletin Pub Date : 2025-04-17 DOI:10.1016/j.materresbull.2025.113499

Harjeet Kaur , Navjeet Kaur , Supreet Pal Singh

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引用次数: 0

摘要

合成了掺Gd3+硼磷酸钡锂玻璃，探讨了其热释光技术监测辐射剂量的可行性。x射线衍射显示为非晶玻璃态，傅里叶变换红外光谱显示硼酸盐和磷酸盐的双重振动带。紫外可见光谱随Gd3+离子的插入而变化。使用专门的“R-programming: tgcd”软件进行热释光发光曲线评估，便于使用Chen的峰形方法确定不同的动力学参数。辉光曲线反褶积表明存在三个重叠的TL峰，LBPGd0.8玻璃的最小优点值为0.80。LBPGd0.8的剂量-效应研究显示出较强的线性和高灵敏度，在0.05 ~ 10 kGy范围内相关系数R2 = 0.99611。此外，LBPGd0.8样品具有良好的可重复使用性和低褪色性，适用于食品辐照、医疗诊断和人员辐射暴露剂量测定中吸收剂量的定量评估。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Gd3+-doped lithium barium borophosphate glasses: structural, optical and thermoluminescence glow curve investigation utilizing "R-programming: tgcd" for dosimetry applications

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Gd3+-doped lithium barium borophosphate glasses: structural, optical and thermoluminescence glow curve investigation utilizing "R-programming: tgcd" for dosimetry applications

Gd³⁺-doped lithium barium borophosphate glasses were synthesized to explore their feasibility for monitoring radiation doses using thermoluminescence technique. X-ray diffraction exhibited the amorphous glassy state and Fourier transform infrared spectra revealed the dual contribution of borate and phosphate vibrational bands. Optical UV–Visible spectra displayed variation with the intercalated Gd³⁺ ions. Thermoluminescence glow curve evaluation using specialized ‘R-programming: tgcd’ software facilitated the determination of different kinetic parameters using Chen’s peak shape approach. Glow curve deconvolution indicate the presence of three overlapping TL peaks, attaining a minimum figure of merit value of 0.80 for LBPGd0.8 glass. The dose-response study for LBPGd0.8 showed a strong linearity and high sensitivity, with a correlation coefficient R² = 0.99611 for gamma dose ranging from 0.05-10 kGy. Moreover, LBPGd0.8 sample demonstrated great reusability and low fading, making it appropriate for quantitative assessment of absorbed doses in food irradiation, medical diagnosis, and personnel radiation exposure dosimetry.

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来源期刊

Materials Research Bulletin 工程技术-材料科学：综合

CiteScore

9.80

自引率

5.60%

发文量

372

审稿时长

42 days

期刊介绍： Materials Research Bulletin is an international journal reporting high-impact research on processing-structure-property relationships in functional materials and nanomaterials with interesting electronic, magnetic, optical, thermal, mechanical or catalytic properties. Papers purely on thermodynamics or theoretical calculations (e.g., density functional theory) do not fall within the scope of the journal unless they also demonstrate a clear link to physical properties. Topics covered include functional materials (e.g., dielectrics, pyroelectrics, piezoelectrics, ferroelectrics, relaxors, thermoelectrics, etc.); electrochemistry and solid-state ionics (e.g., photovoltaics, batteries, sensors, and fuel cells); nanomaterials, graphene, and nanocomposites; luminescence and photocatalysis; crystal-structure and defect-structure analysis; novel electronics; non-crystalline solids; flexible electronics; protein-material interactions; and polymeric ion-exchange membranes.