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<p>Herein, terbium ion-doped Mg<sub>5</sub>(BO<sub>3</sub>)<sub>3</sub>F phosphor was synthesized using a solid-state reaction method. The phase purity, morphology, bond characteristics, and photoluminescence properties&#xa0;are investigated. The Mg<sub>5</sub>(BO<sub>3</sub>)<sub>3</sub>F: 0.5% Tb<sup>3+</sup> phosphor exhibited a thermoluminescence dosimetric glow peak at 186&#xa0;℃, upon gamma irradiation. The Mg<sub>5</sub>(BO<sub>3</sub>)<sub>3</sub>F: 0.5% Tb<sup>3+</sup> phosphor possesses linear dose–response from 0.5&#xa0;Gy to 1&#xa0;kGy, and the phosphor possessed low fading and good reproducibility characteristics. The kinetic parameters were estimated by the T<sub>m</sub>-T<sub>stop</sub> technique, Peak Shape method, and the Glow Curve Deconvolution method. The proficient thermoluminescence properties of Mg<sub>5</sub>(BO<sub>3</sub>)<sub>3</sub>F: 0.5% Tb<sup>3+</sup> make them a promising TLD phosphor for radiation dosimetry.</p>

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Exploring the thermoluminescence properties of terbium doped Mg5(BO3)3F phosphors for gamma dosimetry

  • 期刊论文

  • 发表日期：

    2025年6月18日

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  • Preeti Padhye Kulkarni,
  • Kishor H. Gavhane,
  • Sandhya Deshmukh,
  • Mahesh Bhadane,
  • S. S. Dahiwale,
  • S. D. Dhole

摘要

Herein, terbium ion-doped Mg5(BO3)3F phosphor was synthesized using a solid-state reaction method. The phase purity, morphology, bond characteristics, and photoluminescence properties are investigated. The Mg5(BO3)3F: 0.5% Tb3+ phosphor exhibited a thermoluminescence dosimetric glow peak at 186 ℃, upon gamma irradiation. The Mg5(BO3)3F: 0.5% Tb3+ phosphor possesses linear dose–response from 0.5 Gy to 1 kGy, and the phosphor possessed low fading and good reproducibility characteristics. The kinetic parameters were estimated by the Tm-Tstop technique, Peak Shape method, and the Glow Curve Deconvolution method. The proficient thermoluminescence properties of Mg5(BO3)3F: 0.5% Tb3+ make them a promising TLD phosphor for radiation dosimetry.