Exploring Gamma Radiation Shielding: the Role of BaO in Borosilicate Glasses

IF 3.3 3区材料科学 Q3 CHEMISTRY, PHYSICAL Silicon Pub Date : 2024-06-12 DOI:10.1007/s12633-024-03045-1

M. I. Sayyed, Aljawhara H. Almuqrin, Chaitali V. More, U. Rilwan, M. Rashad, Mohamed Elsafi

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Abstract

The gamma ray shielding characteristics of different borosilicate glasses are examined in this work. Four glasses with a composition of 60B₂O₃–5Na₂O–5PbO–(30-x)SiO₂–xBaO, (x = 5, 10, 15, and 20 mol%) were created using the conventional melt quenching technique followed by an annealing step. Linear attenuation coefficient, LAC, values have been determined using HPGe semi-conductor detector. These values were compared with calculated values estimated from Phy-X software and a good matching was observed. The samples were irradiated using the point sources viz., Am²⁴¹ (0.0595 MeV), Cs¹³⁷ (0.6617 MeV) and Co⁶⁰ (1.173 and 1.330 MeV). The LAC data were further utilized in computations of other radiological parameters that are half value layer (HVL) and Tenth value layer (TVL). Furthermore, radiation shielding efficiency (RSE) of the prepared glass materials has been evaluated. The sample 10S20B exhibits higher values of LAC than the others because it has the largest density and weight fraction of elements with higher atomic numbers. The significance of the atomic number and density parameters-higher atomic number and density imply greater probability of interaction, leading to better attenuation.

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探索伽马辐射屏蔽：硼硅玻璃中 BaO 的作用

本文研究了不同硼硅玻璃的伽马射线屏蔽特性。采用传统的熔体淬火技术，然后经过退火步骤，制造出了四种玻璃，其成分分别为 60B2O3-5Na2O-5PbO-(30-x)SiO2-xBaO（x = 5、10、15 和 20 摩尔%）。使用 HPGe 半导体探测器测定了线性衰减系数（LAC）值。这些值与 Phy-X 软件估算出的计算值进行了比较，结果显示两者非常吻合。样品使用点源进行辐照，即 Am241（0.0595 MeV）、Cs137（0.6617 MeV）和 Co60（1.173 和 1.330 MeV）。LAC 数据还用于计算其他辐射参数，即半值层（HVL）和十值层（TVL）。此外，还对制备的玻璃材料的辐射屏蔽效率（RSE）进行了评估。样品 10S20B 的 LAC 值高于其他样品，因为它具有最大的密度和较高原子序数元素的重量分数。原子序数和密度参数的重要性--原子序数和密度越高，意味着相互作用的概率越大，从而导致更好的衰减效果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Silicon CHEMISTRY, PHYSICAL-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

5.90

自引率

20.60%

发文量

685

审稿时长

>12 weeks

期刊介绍： The journal Silicon is intended to serve all those involved in studying the role of silicon as an enabling element in materials science. There are no restrictions on disciplinary boundaries provided the focus is on silicon-based materials or adds significantly to the understanding of such materials. Accordingly, such contributions are welcome in the areas of inorganic and organic chemistry, physics, biology, engineering, nanoscience, environmental science, electronics and optoelectronics, and modeling and theory. Relevant silicon-based materials include, but are not limited to, semiconductors, polymers, composites, ceramics, glasses, coatings, resins, composites, small molecules, and thin films.