Development of and study of boro-tellurite glasses for optical and radiation shielding applications

IF 2.9 Q1 MATERIALS SCIENCE, CERAMICS

Open Ceramics Pub Date : 2024-11-16 DOI:10.1016/j.oceram.2024.100708

M.I. Sayyed , M.H.A. Mhareb , Heryanto heryanto , Yasser Maghrbi

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Abstract

A new group of boro-tellurite glasses (BCa20, BCa17, BCa14, BCa11) was fabricated using the melt quench method for potential radiation shielding and optical applications. The mechanical, optical, and radiation shielding properties were studied with varying oxide compositions. A decrease in B₂O₃ and CaO content, with increasing TeO₂, led to a reduction in elastic modulus and bulk modulus (from 69.638 to 61.331 GPa), as well as a decrease in packing density (0.673 to 0.636). The optical band gap also gradually reduced (from 3.637 to 3.504 eV), while Urbach energy increased (from 0.293 to 0.354 eV). Optical basicity increased, and optical electronegativity decreased, indicating a shift toward ionic bonding and reduced glass stability. Radiation shielding performance improved with the addition of TeO₂, as confirmed by the linear attenuation coefficient (LAC) results using Phy-X software. These findings suggest potential for these glasses in radiation shielding and optical material applications.

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开发和研究用于光学和辐射屏蔽的溴碲玻璃

利用熔融淬火法制造了一组新的溴碲玻璃（BCa20、BCa17、BCa14、BCa11），用于潜在的辐射屏蔽和光学应用。研究了不同氧化物成分的机械、光学和辐射屏蔽性能。随着 TeO2 的增加，B2O3 和 CaO 含量的降低导致弹性模量和体积模量的降低（从 69.638 GPa 降至 61.331 GPa），以及堆积密度的降低（从 0.673 降至 0.636）。光带隙也逐渐减小（从 3.637 到 3.504 eV），而厄巴赫能却增加了（从 0.293 到 0.354 eV）。光学碱度增加，光学电负性降低，表明向离子键的转变和玻璃稳定性的降低。加入 TeO2 后，辐射屏蔽性能得到改善，这一点已通过使用 Phy-X 软件得出的线性衰减系数 (LAC) 结果得到证实。这些发现表明这些玻璃在辐射屏蔽和光学材料应用方面具有潜力。

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