A Protective Hydrophobic Coating for CsI(Tl) Crystals

被引：2
|
作者：
Shpilinskaya, A. L. [1 ]
Kudin, A. M. [2 ]
Andryushchenko, L. A. [2 ]
Didenko, A. V. [1 ]
Zelenskaya, O. V. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Inst Scintillat Mat, UA-61001 Kharkiv, Ukraine
[2] Natl Univ Civil Def Ukraine, UA-61023 Kharkiv, Ukraine
来源：
INSTRUMENTS AND EXPERIMENTAL TECHNIQUES | 2020年 / 63卷 / 01期
关键词：
CSI; TL; SURFACE; GAMMA;
D O I：
10.1134/S0020441219060137
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A composition and method for applying a hydrophobic protective coating on the radiation input surface of CsI(Tl) crystals is proposed. The coating is a composition of polymer (fluoroplastic varnish) and solvent (ethyl acetate). The optimal composition of the coating composition with a thickness of similar to 2 mu m was determined. The method of application involves the preliminary exposure of the sample in pairs of hexamethyldisilazane to increase the adhesion of the coating to the surface. It is shown that the replacement of a 5-mu m-thick acrylic film with a 2-mu m-thick fluoroplastic coating allows an increase in the light output of the alpha-detector by 14%, while the energy resolution improved from 6.28 to 4.96%.
引用
收藏
页码：30 / 33
页数：4
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