OBSERVATION OF DISLOCATIONS BY THE POSITRON-ANNIHILATION METHOD

被引：8
|
作者：
TRUMPY, G
机构：
[1] Department of Electrophysics, Technical University of Denmark
来源：
PHYSICS LETTERS A | 1994年 / 192卷 / 2-4期
关键词：
D O I：
10.1016/0375-9601(94)90254-2
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In a study of positron lifetimes in nickel metal it has been found that the intensity of the longer lifetime component has a temperature dependence which is strikingly different in the cases of a majority of vacancy-like defects and a majority of dislocations. It is suggested that the observed difference, which is most pronounced in the region 10-100 K, will constitute a useful method for improved analysis of defects in solids.
引用
收藏
页码：261 / 264
页数：4
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