POSITRON-ANNIHILATION IN NI FINE PARTICLES

被引：9

作者：

MORINAGA, H

MATSUOKA, Y

机构：

[1] Department of Physics, Meijo University, 468, Tenpaku-ku, Nagoya, Japan

来源：

PHYSICS LETTERS A | 1979年 / 71卷 / 01期

关键词：

D O I：

10.1016/0375-9601(79)90889-2

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

It is found that almost all positrons thermalized in Ni fine particles of mean diameters of 100 Å and 300 Å escape from the particles without annihilating with electrons inside the particles. In Ni fine particles of mean diameter 1000 Å about one-half of the positrons annihilate with electrons inside the particles and the other half annihilate from trapped surface states. © 1979.

引用

页码：103 / 105

页数：3