低能β测量用薄膜制作方法的研究。

IF 1.8 3区工程技术 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Applied Radiation and Isotopes Pub Date : 2025-09-25 DOI:10.1016/j.apradiso.2025.112214

Y.J. Park, D.H. Heo, T.H. Kim, K.B. Lee, J.M. Lee, B.C. Kim

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引用次数: 0

摘要

4πβ(PPC)-γ符合计数的主要标准要求薄膜能使β粒子的衰减最小。在这项研究中，我们开发了一种方法来控制这些薄膜的厚度。随着时间的推移，生产薄膜的传统方法往往会产生皱纹；然而，我们新开发的方法允许生产具有可调厚度的无皱纹薄膜。我们设计了专门的薄膜生产设备，并分析了溶液体积与薄膜厚度之间的关系。使用胶凝剂和醋酸异戊酯的混合物制备薄膜，其体积范围为20 μL至80 μL，厚度约为40 nm-160 nm。利用59Ni源实验分析了薄膜厚度对低能辐射的影响，并与蒙特卡罗模拟进行了比较。结果证实，薄膜厚度显著影响像俄歇电子这样的低能电子的测量，而对类似能量的x射线的影响最小。

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A study on the production method of thin films for low-energy beta measurement

The primary standard for coincidence counting of 4πβ(PPC)-γ requires thin films that minimize the attenuation of beta particles. In this study, we developed a method to control the thickness of these films. Traditional methods for producing thin films often resulted in wrinkles over time; however, our newly developed approaches allow for the production of wrinkle-free thin films with adjustable thickness. We designed specialized equipment for thin film production and analyzed the relationship between solution volume and resulting film thickness. Films were produced using a mixture of collodion and isopentyl acetate with volumes ranging from 20 μL to 80 μL, resulting in thicknesses from approximately 40 nm–160 nm. The effect of film thickness on low-energy radiation was experimentally analyzed using ⁵⁹Ni sources and compared with Monte Carlo simulations. Results confirm that film thickness significantly affects the measurement of low-energy electrons like Auger electrons, while having minimal impact on X-rays of similar energy.

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来源期刊

Applied Radiation and Isotopes 工程技术-核科学技术

CiteScore

3.00

自引率

12.50%

发文量

406

审稿时长

13.5 months

期刊介绍： Applied Radiation and Isotopes provides a high quality medium for the publication of substantial, original and scientific and technological papers on the development and peaceful application of nuclear, radiation and radionuclide techniques in chemistry, physics, biochemistry, biology, medicine, security, engineering and in the earth, planetary and environmental sciences, all including dosimetry. Nuclear techniques are defined in the broadest sense and both experimental and theoretical papers are welcome. They include the development and use of α- and β-particles, X-rays and γ-rays, neutrons and other nuclear particles and radiations from all sources, including radionuclides, synchrotron sources, cyclotrons and reactors and from the natural environment. 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. Papers dealing with radiation processing, i.e., where radiation is used to bring about a biological, chemical or physical change in a material, should be directed to our sister journal Radiation Physics and Chemistry.