聚对苯二甲酸乙二醇酯薄膜作为固体核径迹探测器在氡研究中的适用性试验

Q4 Physics and Astronomy Eurasian Journal of Physics and Functional Materials Pub Date : 2020-06-22 DOI:10.29317/ejpfm.2020040206

D. Yerimbetova, V. Stepanenko, A. Kozlovskiy, K. Zhumadilov

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引用次数: 0

摘要

本工作描述了测试聚对苯二甲酸乙二醇酯薄膜(在重离子照射后，它被广泛应用于各个领域)作为α -径迹探测器的适用性的程序。进行这项试验是为了确定在评估室内和室外氡浓度的研究中使用这种薄膜的前景。这项研究使用了α粒子Am-241的放射性核素源。辐照膜样品经化学处理。为了进一步比较结果，在相同的条件下对未辐照的薄膜样品进行化学腐蚀。为了确定轨道的存在，比较和分析它们的参数，所有的样品都使用扫描电子显微镜进行了检查。所研究样品的扫描电镜图像显示。结果表明，这些薄膜不适合用于α粒子的配准。目前，正在使用基于硝酸纤维素的固体核探测器LR-115对室内和室外氡浓度进行研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Suitability testing of polyethylene terephthalate film as a solid-state nuclear track detector for using in radon studies

The present work describes the procedure for testing the suitability of a polyethylene terephthalate ﬁlm (after irradiation with heavy ions it is widely used in various ﬁelds) as an alpha-track detector. The test was carried out in order to determine the prospects for the use of this ﬁlm in studies evaluating the indoor and outdoor radon concentrations. The study was conducted using a radionuclide source of alpha particles Am-241. Irradiated ﬁlm samples were chemically treated. In order to further compare the results, unirradiated ﬁlm samples were also chemically etched under the same conditions. To determine thepresenceoftracks, compareandanalyzetheirparameters, allsampleswereexaminedusingascanning electron microscope. SEM images of the investigated samples are shown. The results obtained showed the unsuitability of using these ﬁlms for registration of alpha particles. Currently, studies of the indoor and outdoor radon concentrations are being carried out using solid-state nuclear detector LR-115 based on cellulose nitrate.

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