EVIDENCE FOR A KINEMATIC THRESHOLD IN THE FORMATION OF HE+ IONS IN GRAZING SCATTERING FROM AN AL(111) SURFACE

被引：26
|
作者：
WINTER, H
机构：
[1] Institut für Kernphysik der Universität Münster, D-4400 Münster
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1993年 / 78卷 / 1-4期
关键词：
D O I：
10.1016/0168-583X(93)95773-X
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The charge state distributions of scattered projectiles is investigated after the interaction of He+ ions with energies ranging from 3 to 28 keV with a clean and flat Al(111)-surface under a grazing angle of incidence. We find in the experiments a kinematic threshold for the positive ion fraction as predicted from the model of a kinematically induced Auger ionization mechanism.
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页码：38 / 43
页数：6
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