分层空心ZnMn2O4微球作为有效的伽马射线衰减器：实验，蒙特卡罗模拟和图像处理研究

IF 2.8 3区物理与天体物理 Q3 CHEMISTRY, PHYSICAL

Radiation Physics and Chemistry Pub Date : 2025-06-09 DOI:10.1016/j.radphyschem.2025.113053

Amir Reza Khoshhal , Zivar Azmoodeh , Abbas Bagheri Khatibani

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引用次数: 0

摘要

近年来，人们越来越关注无铅、无毒和环境可持续的辐射屏蔽材料的开发。本研究旨在通过在不同热液时间（20小时= ZM1, 40小时= ZM2, 72小时= ZM3）下合成锌磁铁矿（ZnMn2O4），创造可持续的铅替代品。利用傅里叶变换红外光谱（FTIR）、x射线衍射（XRD）、漫反射光谱（DRS）、能量色散x射线光谱（EDX）、光致发光光谱（PL）、场发射扫描电镜（FESEM）、热分析和高分辨率透射电子显微镜（HRTEM）等多种技术研究了其光学、形态和结构特征。XRD分析证实形成了一个四方锌锰氧化物结构。在不同的水热反应时间下，FESEM图像显示出明显的形态变化，EDX分析证实了预期的元素组成。最重要的伽马射线屏蔽参数是通过实验测量和使用几何与跟踪（GEANT4）工具包进行的模拟来确定的。结果表明，延长水热反应时间可以提高辐射屏蔽效率。ZM1、ZM2和ZM3样品的LAC值分别为8.2541 cm-1、7.3491 cm-1和9.5549 cm-1， HVL、TVL、MFP和TF呈下降趋势。GEANT4模拟支持这些实验发现，ZM1、ZM2和ZM3的伽马射线衰减率分别为15.21%、13.66%和17.39%。这些结果表明，ZM3作为一种有效的伽马射线衰减剂具有很强的潜力。

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Hierarchical hollow ZnMn2O4 microspheres as an efficient gamma ray attenuator: An experimental, Monte Carlo simulation, and image processing study

Recently, increasing attention has been directed toward the development of lead-free, non-toxic, and environmentally sustainable materials for use in radiation shielding applications. This research aims to create sustainable alternatives to lead by synthesizing zinc magnetite (ZnMn₂O₄) in different hydrothermal times (20 h = ZM1, 40 h = ZM2, and 72 h = ZM3). The optical, morphological and structural characteristics were investigated using various techniques, including, Fourier Transform Infrared Spectroscopy (FTIR), X-ray Diffraction (XRD), Diffuse Reflectance Spectroscopy (DRS), Energy Dispersive X-ray Spectroscopy (EDX), Photoluminescence Spectroscopy (PL), Field Emission Scanning Electron Microscopy (FESEM), Thermal Analysis and High-Resolution Transmission Electron Microscopy (HRTEM). XRD analysis confirmed the formation of a tetragonal zinc manganese oxide structure. FESEM images revealed notable morphological changes with varying hydrothermal reaction times, and EDX analysis validated the anticipated elemental composition. The most important gamma-ray shielding parameters were determined through both experimental measurements and simulations conducted using the GEometry ANd Tracking (GEANT4) toolkit. The results showed that extending the hydrothermal reaction time enhanced the radiation shielding efficiency. The LAC values for ZM1, ZM2 and ZM3 samples were 8.2541 cm⁻¹, 7.3491 cm⁻¹, and 9.5549 cm⁻¹, respectively, while HVL, TVL, MFP, and TF showed a decreasing trend. GEANT4 simulations supported these experimental findings, demonstrating gamma-ray attenuation rates of 15.21 %, 13.66 %, and 17.39 % for ZM1, ZM2 and ZM3, respectively. These results suggest that the ZM3 have strong potential as an effective gamma-ray attenuator.

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来源期刊

Radiation Physics and Chemistry 化学-核科学技术

CiteScore

5.60

自引率

17.20%

发文量

574

审稿时长

12 weeks

期刊介绍： Radiation Physics and Chemistry is a multidisciplinary journal that provides a medium for publication of substantial and original papers, reviews, and short communications which focus on research and developments involving ionizing radiation in radiation physics, radiation chemistry and radiation processing. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. This could include papers that are very similar to previous publications, only with changed target substrates, employed materials, analyzed sites and experimental methods, report results without presenting new insights and/or hypothesis testing, or do not focus on the radiation effects.