CaCu3B2Re2O12(BMn、Fe、Co 和 Ni)包晶的伽马衰减和辐射屏蔽性能

IF 2.8 3区 物理与天体物理 Q3 CHEMISTRY, PHYSICAL
B. Alshahrani , Jamila S. Alzahrani , Amani Alalawi , Sultan Alomairy , I.O. Olarinoye , M.S. Al-Buriahi
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引用次数: 0

摘要

为了确定包晶在核科学中的重要性,必须开展旨在获得包晶辐射相互作用量的研究。本研究计算并分析了 CaCu3B2Re2O12(BMn、Fe、Co 和 Ni)包晶的伽马光子相互作用参数,以揭示其屏蔽潜力以及与传统屏蔽材料的比较优势。研究考虑了化学结构概括为 CaCu3B2Re2O12(BMn(CCMRO1)、Fe(CCMRO2)、Co(CCMRO3)和 Ni(CCMRO4))的四种铁磁性四元包晶石样品的伽马相互作用量。质量衰减系数(μρ)由 XCOM 计算得出,CCMRO1 为 0.0552 cm2/g-0.4162 cm2/g,CCMRO2 为 0.0553 cm2/g-0.4165 cm2/g,CCMRO3 为 0.0552 cm2/g-0.4148 cm2/g,CCMRO4 为 0.0555 cm2/g-0.4163 cm2/g。有效原子序数和电子密度值分别在 21.38-43.38 和 2.84 x 1023 电子/克-5.62 x 1023 电子/克范围内。研究还发现,包覆晶的质量能量吸收系数的变化趋势与质量衰减系数的变化趋势相同。其中,CCMRO3 的光子能量吸收能力最强,而 CCMRO2 的吸收能力最小。此外,在 1.25 MeV 下,CCMRO1、CCMRO2、CCMRO3 和 CCMRO4 在 15 毫米厚的伽马剂量率分别约为 1446 kR/h、1449 kR/h、1453 kR/h 和 1446 kR/h。相比之下,在相同的能量和光学深度下,包晶的曝光和能量吸收积累因子值几乎相同。与标准屏蔽玻璃相比,所研究的包晶具有更高的质量衰减系数。这种过氧化物可用于屏蔽或辐射科学与技术中的任何其他辐射吸收作用,特别是对低能量光子。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Gamma attenuation and radiation shielding performance of CaCu3B2Re2O12 (BMn, Fe, Co, and Ni) perovskites
In order to identify the importance of perovskites in nuclear science, studies aimed at obtaining the radiation interaction quantities of perovskites are essential. This study computed and analyzed the gamma photon interaction parameters of CaCu3B2Re2O12 (BMn, Fe, Co, and Ni) perovskites to reveal their shielding potentials and comparative advantages against traditional shielding materials. Four samples of ferrimagnetic quaternary perovskites whose chemical structures are summarized as CaCu3B2Re2O12 (BMn (CCMRO1), Fe (CCMRO2), Co (CCMRO3), and Ni (CCMRO4)) were considered for their gamma interaction quantities. The values of mass attenuation coefficient (μρ) was calculated with XCOM and they were in the range of 0.0552 cm2/g–0.4162 cm2/g for CCMRO1, 0.0553 cm2/g–0.4165 cm2/g CCMRO2, 0.0552 cm2/g–0.4148 cm2/g for CCMRO3, and 0.0555 cm2/g–0.4163 cm2/g for CCMRO4. The values of effective atomic number and electron density was within the range 21.38–43.38 and 2.84 x 1023 electrons/g −5.62 x1023 electrons/g, respectively. The trend of the mass energy absorption coefficients of the perovskites was also found to be in the same order as the mass attenuation coefficient. CCMRO3 has the highest photon energy absorptive ability among the perovskites while CCMRO2 has the least capacity. Also, the gamma dose rates in15 mm thick of CCMRO1, CCMRO2, CCMRO3, and CCMRO4 for 1.25 MeV are about 1446 kR/h, 1449 kR/h, 1453 kR/h, and 1446 kR/h, respectively. Comparatively, the values of the exposure and energy absorption buildup factors were almost the same for the perovskites at the same energy and optical depth. The investigated perovskites had higher mass attenuation coefficients that standard shielding glasses. The perovskites can be used for shielding or any other radiation absorption roles in radiation science and technology, especially for photons at low energies.
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来源期刊
Radiation Physics and Chemistry
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.
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