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KMID : 0385520080210020117
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Analytical Science & Technology
2008 Volume.21 No. 2 p.117 ~ p.122
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Development of ZnS(Ag)/plastic dual scintillator sheet for simultaneous alpha- and beta-ray counting
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Seo Bum-Kyoung
Woo Zu-Hee
Kim Gye-Hong
Lee Kune-Woo
Lee Dong-Gyu
Jung Chong-Hun
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Abstract
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Dual scintillator for simultaneous alpha- and beta-ray counting used by detection materials of a surface contamination monitor was developed. In this study, preparation method was not a heat melting method but a solvent method, by which the counting material was manufactured by dissolving the polymer materials with solvent. It was simplified the preparation process. Plastic scintillator for beta-ray counting was prepared by solidifying the casting solution mixed with organic scintillator, polymer, and solvent. ZnS(Ag) scintillator layer was prepared by screen printing the paste solution mixed with ZnS(Ag), paste, and solvent onto the plastic layer. The good counting ability for alpha- and beta-ray using the ZnS(Ag)/plastic dual scintillator prepared and possibility for the counting material of surface contamination monitor was confirmed.
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KEYWORD
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dual scintillator sheet, plastic scintillator, ZnS(Ag), phoswich detector
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