Detection of positron implantation profile in different materials

被引:11
|
作者
Dryzek, J [1 ]
机构
[1] Polish Acad Sci, Inst Nucl Phys, PL-31342 Krakow, Poland
关键词
D O I
10.12693/APhysPolA.107.598
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The objective of this paper is experimental studies of the linear absorption coefficient, or mean penetration depth of positrons emitted from Na-22 isotope in different materials. For this purpose we constructed a new experimental setup which allows us to scan the depth implantation profile of positrons. For the studied metals: Mg, Al, the obtained values of mean penetration depth coincide well with those which can be calculated using the mathematical formula commonly used but for Si and S the discrepancy has been observed similarly like for polymers.
引用
收藏
页码:598 / 607
页数:10
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