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<p>The current investigation reports a novel series of tri-former reinforced oxy-fluoride glasses with the composition 39B<sub>2</sub>O<sub>3</sub> + 15TeO<sub>2</sub> + 10SiO<sub>2</sub> + 10ZnF<sub>2</sub> + 10Bi<sub>2</sub>O<sub>3</sub> + 15MO + 1Sm<sub>2</sub>O<sub>3</sub> (where M = Li<sub>2</sub>O, Na<sub>2</sub>O, CaO, SrO, BaO), synthesized via the melt-quenching technique for gamma-ray shielding applications. The distinct feature of this work is the inclusion of ZnF<sub>2</sub> to develop a strong B–Te–Si tri-former network, offering enhanced structural stability and a distinct compositional framework compared to the conventional single-former or Bi<sub>2</sub>O<sub>3</sub>/TeO<sub>2</sub> based glasses. To analyse the compactness, packing network and shielding efficiency of the tri-former network, physical, structural, mechanical, and shielding parameters were estimated. Among the studied glasses, BTSBa glass shows higher values of density (5.758&#xa0;g/cm<sup>3</sup>) and OPD (84.152&#xa0;mol/cm<sup>3</sup>) and thus indicates its tightly packed network. The higher optical band gap (E<sub>g</sub> = 2.826&#xa0;eV) value of the BTSBa glass indicates a significant increase in the bridging oxygen’s content. Salient features like electronegativity, ionicity (I<sub>c</sub>), and covalency (C<sub>c</sub>) suggest the fact that the bonding nature in the glass matrix is predominantly ionic rather than covalent. Radiation shielding characteristics evaluated using Phy-X software across 0.015–15&#xa0;MeV showed that the samples exhibit maximum attenuation efficiency at lower photon energies; for instance, the HVL value observed is found to be 0.823&#xa0;cm at 0.4&#xa0;MeV for the BTSBa glass. The obtained shielding parameters confirm that the modifier incorporation significantly enhances gamma-ray shielding efficiency. Overall, ZnF<sub>2</sub>-assisted BTS glass network indicates their suitability for advanced radiation shielding applications.</p>

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Exploration of tri-former reinforced oxy-fluoride glasses tailored with alkali- and alkaline-earth elements for gamma-ray shielding applications

  • 期刊论文

  • 发表日期：

    2026年3月17日

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  • D. Keerthana,
  • K. A. Naseer,
  • M. I. Sayyed,
  • Mohammed S. Alqahtani,
  • K. Marimuthu

摘要

The current investigation reports a novel series of tri-former reinforced oxy-fluoride glasses with the composition 39B2O3 + 15TeO2 + 10SiO2 + 10ZnF2 + 10Bi2O3 + 15MO + 1Sm2O3 (where M = Li2O, Na2O, CaO, SrO, BaO), synthesized via the melt-quenching technique for gamma-ray shielding applications. The distinct feature of this work is the inclusion of ZnF2 to develop a strong B–Te–Si tri-former network, offering enhanced structural stability and a distinct compositional framework compared to the conventional single-former or Bi2O3/TeO2 based glasses. To analyse the compactness, packing network and shielding efficiency of the tri-former network, physical, structural, mechanical, and shielding parameters were estimated. Among the studied glasses, BTSBa glass shows higher values of density (5.758 g/cm3) and OPD (84.152 mol/cm3) and thus indicates its tightly packed network. The higher optical band gap (Eg = 2.826 eV) value of the BTSBa glass indicates a significant increase in the bridging oxygen’s content. Salient features like electronegativity, ionicity (Ic), and covalency (Cc) suggest the fact that the bonding nature in the glass matrix is predominantly ionic rather than covalent. Radiation shielding characteristics evaluated using Phy-X software across 0.015–15 MeV showed that the samples exhibit maximum attenuation efficiency at lower photon energies; for instance, the HVL value observed is found to be 0.823 cm at 0.4 MeV for the BTSBa glass. The obtained shielding parameters confirm that the modifier incorporation significantly enhances gamma-ray shielding efficiency. Overall, ZnF2-assisted BTS glass network indicates their suitability for advanced radiation shielding applications.