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<p>This communication reports the preparation of&#xa0;glasses having chemical composition xDy<sub>2</sub>O<sub>3</sub>-0.10Li<sub>2</sub>O-0.15ZnO-0.10Bi<sub>2</sub>O<sub>3</sub>-(0.65-x)P<sub>2</sub>O<sub>5</sub> ( x = 0.01, 0.015, 0.020, 0.025) to develop mechanically improved material with radiation shielding features. The observed XRD patterns reveal the amorphous nature of the samples under study. The density of the resulting glassy system is increased from 3.01 to 3.06&#xa0;g.cm<sup>−3</sup> with the incorporation of Dy<sub>2</sub>O<sub>3</sub>. Investigations reveal longitudinal (L) modulus increases from 31.28to 39.32 Gpa, shear (S) moduli increase from 10.23 to 12.84 Gpa, and microhardness increases from 1.65 to 2.07 Gpa, thereby exhibiting similar increasing behaviors with the addition of dysprosium atom. The increment in the calculated values of microhardness suggests the mechanical improvement of the as-prepared glass samples. The obtained UV–visible measurements reveal decent transparency of the samples under study. By incorporating Dy<sup>3+</sup> ions into the glassy matrix, the refractive index (n), and the optical conductivity are all increased. Moreover, with the incorporation of Dy<sup>3+</sup>, the obtained energy gap values show a drop from 3.72 to 3.31&#xa0;eV, while the Urbach energy values show a rise from 0.26 to 0.58&#xa0;eV. The Phy-X software tool has been used to theoretically study the impact of Dy<sub>2</sub>O<sub>3</sub> content on the shielding characteristics of this glass system. The equivalent atomic number, exposure buildup factor, and energy absorption buildup factor values for photon energy in the range from 0.02&#xa0;MeV to 15&#xa0;MeV are determined. The glass specimen with the highest quantity of dysprosium oxide has better shielding qualities, according to the measured data.</p>

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Impact of Dy3+ doping on the optical, mechanical, and radiation shielding properties of Li2O-ZnO-Bi2O3-P2O5 glasses

  • 期刊论文

  • 发表日期：

    2025年5月21日

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  • Sukdeb Saha,
  • Dipankar Biswas,
  • Rittwick Mondal

摘要

This communication reports the preparation of glasses having chemical composition xDy2O3-0.10Li2O-0.15ZnO-0.10Bi2O3-(0.65-x)P2O5 ( x = 0.01, 0.015, 0.020, 0.025) to develop mechanically improved material with radiation shielding features. The observed XRD patterns reveal the amorphous nature of the samples under study. The density of the resulting glassy system is increased from 3.01 to 3.06 g.cm−3 with the incorporation of Dy2O3. Investigations reveal longitudinal (L) modulus increases from 31.28to 39.32 Gpa, shear (S) moduli increase from 10.23 to 12.84 Gpa, and microhardness increases from 1.65 to 2.07 Gpa, thereby exhibiting similar increasing behaviors with the addition of dysprosium atom. The increment in the calculated values of microhardness suggests the mechanical improvement of the as-prepared glass samples. The obtained UV–visible measurements reveal decent transparency of the samples under study. By incorporating Dy3+ ions into the glassy matrix, the refractive index (n), and the optical conductivity are all increased. Moreover, with the incorporation of Dy3+, the obtained energy gap values show a drop from 3.72 to 3.31 eV, while the Urbach energy values show a rise from 0.26 to 0.58 eV. The Phy-X software tool has been used to theoretically study the impact of Dy2O3 content on the shielding characteristics of this glass system. The equivalent atomic number, exposure buildup factor, and energy absorption buildup factor values for photon energy in the range from 0.02 MeV to 15 MeV are determined. The glass specimen with the highest quantity of dysprosium oxide has better shielding qualities, according to the measured data.