IMAGE CHARGE INTERACTION OF MULTICHARGED IONS IN GRAZING COLLISIONS WITH AN AL(111)-SURFACE

被引：8
|
作者：
WINTER, H [1 ]
AUTH, C [1 ]
机构：
[1] UNIV MUNSTER, INST KERNPHYS, WILHELM KLEMM STR 9, D-48149 MUNSTER, GERMANY
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1994年 / 90卷 / 1-4期
关键词：
D O I：
10.1016/0168-583X(94)95543-3
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We study the angular distributions of multicharged noble gas ions after scattering from a clean and a cesiated Al(111)-surface under a grazing angle of incidence. The data show pronounced effects of the image charge attraction on the incident trajectory which allow us to deduce the energy gained by the projectile during the approach towards the surface. We present a detailed discussion of our experimental method and compare the results with an ''over-barrier model'' describing the neutralization of multicharged ions in front of a metal surface.
引用
收藏
页码：216 / 221
页数：6
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