铅铋纳米材料质量衰减系数的经验公式

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

Radiation Physics and Chemistry Pub Date : 2025-05-16 DOI:10.1016/j.radphyschem.2025.112894

B.M. Chandrika , N. Sowmya , L. Seenappa , H.C. Manjunatha , K.N. Sridhar , A.J. Clement Lourduraj

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引用次数: 0

摘要

本文提出了铅铋纳米粒子质量衰减系数（μ/ρ）的经验公式，通过二次能量项和密度相关系数来考虑光子能量和物质密度。该公式适用于光子能量范围0.365 ~ 1.332 MeV。对各种基于纳米粒子的化合物（包括氧化铋硼酸钡和铅镍铜）的验证证明了该公式的准确性。提出的公式是第一个产生纳米粒子质量衰减系数的公式。该模型为设计高性能辐射屏蔽材料提供了可靠的框架，解决了核物理学、医学成像和剂量学应用中的关键需求。

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Empirical formula for Mass attenuation coefficient of lead and bismuth nano materials

This study proposes an empirical formula for the mass attenuation coefficient (

μ / ρ

) of lead and bismuth nanoparticles, accounting for photon energy and material density through quadratic energy terms and density-dependent coefficients. This formula is applicable for the photon energy range 0.365 to 1.332 MeV. Validation against various nanoparticle-based compounds, including barium bismuth oxide borate and lead nickel copper, demonstrates the formula’s accuracy. The proposed formula is the first of its kind which produces mass attenuation coefficient for nanoparticles. The model offers a reliable framework for designing high-performance radiation shielding materials, addressing key needs in nuclear physics, medical imaging and dosimetry applications.

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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.