Impact of Varying Bi₂O₃ and ZnO Concentrations on the Structural, Optical, and Radiation Shielding Properties of B₂O₃-PbO-ZnO-Bi₂O₃ Glasses.

Authors

Aljawhara H Almuqrin, M I Sayyed, Ashok Kumar

Published in

Luminescence : the journal of biological and chemical luminescence. Volume 41. Issue 6. Pages e70544.

Abstract

The study prepared B₂O₃-PbO-ZnO-Bi₂O₃ glasses via melt quenching. With increasing Bi₂O₃ and ZnO concentrations, there was an increase in density from 5.686 to 6.262 g·cm^-3, and the molar mass from 214.702 to 239.187 g·mol^-1. This led to a 66.208 to 62.309 oxygen packing density decrease and a 15.104 to 16.049 cm³·mol^-1 and 0.844 to 0.925 oxygen molar volume, and optical basicity increase, respectively. Mechanical properties showed slight improvements, with Young's, shear, and longitudinal moduli increasing marginally. A 2.764 to 2.730 eV band gap energy decrease was observed, alongside a modest rise in refractive index and dielectric constants. The radiation shielding properties were enhanced by higher Bi₂O₃ and ZnO contents, as evidenced by increased linear attenuation coefficients (LAC) and radiation protection efficiencies (RPE), confirming the material's improved attenuation capability.

PMID:
42322184
Bibliographic data and abstract were imported from PubMed on 20 Jun 2026.

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