Effect of polymer adhesive in positron source for positron annihilation lifetime spectroscopy (PALS)

被引：0
|
作者：
Young-Su Jeong
Jaegi Lee
Gwang-Min Sun
Bo-Young Han
Young-Rang Uhm
Yongmin Kim
机构：
[1] Korea Atomic Energy Research Institute,HANARO Utilization Division
[2] Daegu Catholic University,Department of Radiological Science
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2023年 / 332卷
关键词：
Positron annihilation lifetime spectroscopy (PALS); Positron annihilation spectrum; Polymer adhesive; Ethyl cyanoacrylate (ECA) glue; Positron source;
D O I：
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中图分类号：
学科分类号：
摘要：
This study identified the cause of the minor lifetime component and the effect of the polymer adhesive in the positron source on positron annihilation lifetime spectroscopy. Three types of positron sources with different concentrations of the polymer adhesive were compared using nickel (Ni) and adhesive specimens. The unnecessary components of the positron lifetime due to the polymer adhesive could be eliminated by a source correction of approximately 20.8%. The results showed that minimizing the amount of polymer adhesive in the positron source is recommended, or a detailed source correction is required, to analyze the positron lifetimes accurately.
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页码：5193 / 5199
页数：6
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