Gamma-ray Shielding Characteristics and Electrical Properties of Na2O Doped Zinc-Boro-Vanadate Glasses

IF 1.5 4区材料科学 Q3 MATERIALS SCIENCE, CERAMICS Transactions of the Indian Ceramic Society Pub Date : 2023-04-03 DOI:10.1080/0371750X.2023.2175040

Ashwini Devidas, T. Sankarappa, Amarkumar Malge, Mohansingh Heerasingh

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Abstract

A set of glasses of composition (ZnO)0.3-(V2O5)0.6–x-(B2O3)0.1-(Na2O)x with x = 0.1, 0.15, 0.2 and 0.3 were prepared and their non-crystallinity were confirmed. Density and molar volume were found to decrease with increasing Na2O concentration. Using Phy-X/PSD and XCOM softwares, radiation-shielding efficiency was determined by estimating mass attenuation coefficient, linear attenuation coefficient, effective atomic number, half value layer, tenth value layer and mean free path of glasses for gamma energy from 0.005 to 15 MeV. Obtained shielding parameters led to propose the glasses for γ-ray shielding at lower energy regime. Conductivity variation with temperature was analyzed using Mott’s small polaron hopping model and activation energy was determined. It was found to decrease with increasing Na2O content both at high and low temperature. The density of states at Fermi level was determined using Mott’s and Greave’s variable range hopping (VRH) models at low temperature. GRAPHICAL ABSTRACT

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Na2O掺杂锌硼钒酸盐玻璃的伽玛射线屏蔽特性及电学性能

制备了一组由(ZnO)0.3-(V2O5) 0.6-x -(B2O3)0.1-(Na2O)x组成的玻璃，x = 0.1, 0.15, 0.2和0.3，并对其非结晶性进行了验证。密度和摩尔体积随Na2O浓度的增加而减小。利用Phy-X/PSD和XCOM软件，在0.005 ~ 15 MeV的γ能量范围内，通过估算玻璃的质量衰减系数、线性衰减系数、有效原子序数、半值层、10值层和平均自由程，确定了玻璃的辐射屏蔽效率。得到了屏蔽参数，提出了低能区屏蔽γ射线的玻璃。利用Mott小极化子跳变模型分析了电导率随温度的变化，并确定了活化能。在高低温条件下，随着Na2O含量的增加，其含量逐渐降低。采用Mott 's和Greave 's变范围跳变(VRH)模型确定了低温下费米能级的态密度。图形抽象

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来源期刊

Transactions of the Indian Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

2.40

自引率

8.30%

发文量

审稿时长

2.3 months

期刊介绍： Transactions of the Indian Ceramic Society is a quarterly Journal devoted to current scientific research, technology and industry-related news on glass and ceramics. The Journal covers subjects such as the chemical, mechanical, optical, electronic and spectroscopic properties of glass and ceramics, and characterization of materials belonging to this family. The Editor invites original research papers, topical reviews, opinions and achievements, as well as industry profiles for publication. The contributions should be accompanied by abstracts, keywords and other details, as outlined in the Instructions for Authors section. News, views and other comments on activities of specific industries and organizations, and also analyses of industrial scenarios are also welcome.