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<p>The effect of variation of V<sub>2</sub>O<sub>5</sub> content on the physical, optical features, and γ-ray shielding performance for samarium borate tellurite glasses with the chemical composition (33-x)B<sub>2</sub>O<sub>3</sub> + 34TeO<sub>2</sub> + 18CaO + 1Sm<sub>2</sub>O<sub>3</sub> + 14Na<sub>2</sub>O + xV<sub>2</sub>O<sub>5</sub> (x = 0 (BTV0) -8 (BTV8) mol%) was examined. The BTV-glasses were prepared using the melting-quenching process. The density (ρ) enhanced from 3.19 ± 0.01&#xa0;g/cm<sup>3</sup> to 3.51 ± 0.01&#xa0;g/cm<sup>3</sup>, whereas the molar volume (V<sub>m</sub>) reduced from 31.15 ± 0.01 cm<sup>3</sup>/mol to 30.94 ± 0.01 cm<sup>3</sup>/mol. The UV-Vis spectra exhibited several bands and confirmed some transitions from the ground state (<sup>6</sup>H<sub>5/2</sub>) to the excited states of Sm<sup>3+</sup> ions. The direct optical gap ( <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="10904_2025_3713_Article_IEq1.gif" Format="GIF" Height="23" Rendition="HTML" Resolution="72" Type="Linedraw" Width="51" /> </InlineMediaObject> <EquationSource Format="TEX">\(\:{E}_{g}^{Direct}\:\)</EquationSource> </InlineEquation>) reduced from 3.414 ± 0.001&#xa0;eV for BTV0 sample to 3.153 ± 0.001&#xa0;eV for BTV8 sample. The indirect optical gap <InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="10904_2025_3713_Article_IEq2.gif" Format="GIF" Height="23" Rendition="HTML" Resolution="72" Type="Linedraw" Width="75" /> </InlineMediaObject> <EquationSource Format="TEX">\(\:\left({E}_{g}^{Indirect}\right)\)</EquationSource> </InlineEquation> reduced from 3.276 ± 0.001&#xa0;eV for BTV0 and 2.989 ± 0.001&#xa0;eV for BTV8. Urbach’s energy (E<sub>u</sub>) was increased 0.231 ± 0.001&#xa0;eV to 0.235 ± 0.001&#xa0;eV. The Phy-X/PSD software and XGBoost model used to examine the γ-ray attenuation properties. The mass- (MAC) values were followed the order; MAC<sub>(BTV8)</sub> &gt; MAC<sub>(BTV5)</sub> &gt; MAC<sub>(BTV3)</sub> &gt; MAC<sub>(BTV1)</sub> &gt; MAC<sub>(BTV0)</sub>. The half (Hvl)-value layer parameter obeyed the order: Hvl<sub>(BTV0)</sub> &gt; Hvl<sub>(BTV1)</sub> &gt; Hvl<sub>(BTV3)</sub> &gt; Hvl<sub>(BTV5)</sub> &gt; Hvl<sub>(BTV8)</sub>. Results showed that the BTV-glasses can be considered as promising new optical and shielding materials.</p>

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Physical, Optical Features and γ-Ray Attenuation Performance of V2O5-Doped Borate Tellurite Glasses

  • 期刊论文

  • 发表日期：

    2025年3月24日

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  • Norah A.M. Alsaif,
  • Hanan Al-Ghamdi,
  • Nada Alfryyan,
  • F. F. Alharbi,
  • R. A. Elsad,
  • A. S. Abouhaswa,
  • H. A. Abo-Mosallam,
  • K. S. Higazy,
  • Y. S. Rammah

摘要

The effect of variation of V2O5 content on the physical, optical features, and γ-ray shielding performance for samarium borate tellurite glasses with the chemical composition (33-x)B2O3 + 34TeO2 + 18CaO + 1Sm2O3 + 14Na2O + xV2O5 (x = 0 (BTV0) -8 (BTV8) mol%) was examined. The BTV-glasses were prepared using the melting-quenching process. The density (ρ) enhanced from 3.19 ± 0.01 g/cm3 to 3.51 ± 0.01 g/cm3, whereas the molar volume (Vm) reduced from 31.15 ± 0.01 cm3/mol to 30.94 ± 0.01 cm3/mol. The UV-Vis spectra exhibited several bands and confirmed some transitions from the ground state (6H5/2) to the excited states of Sm3+ ions. The direct optical gap ( \(\:{E}_{g}^{Direct}\:\) ) reduced from 3.414 ± 0.001 eV for BTV0 sample to 3.153 ± 0.001 eV for BTV8 sample. The indirect optical gap \(\:\left({E}_{g}^{Indirect}\right)\) reduced from 3.276 ± 0.001 eV for BTV0 and 2.989 ± 0.001 eV for BTV8. Urbach’s energy (Eu) was increased 0.231 ± 0.001 eV to 0.235 ± 0.001 eV. The Phy-X/PSD software and XGBoost model used to examine the γ-ray attenuation properties. The mass- (MAC) values were followed the order; MAC(BTV8) > MAC(BTV5) > MAC(BTV3) > MAC(BTV1) > MAC(BTV0). The half (Hvl)-value layer parameter obeyed the order: Hvl(BTV0) > Hvl(BTV1) > Hvl(BTV3) > Hvl(BTV5) > Hvl(BTV8). Results showed that the BTV-glasses can be considered as promising new optical and shielding materials.