Enhanced emission of secondary ions from solid surfaces bombarded with MeV polyatomic ions

被引：6

作者：

Tomaschko, C ^{[1
]}

Herrmann, KH ^{[1
]}

Kashammer, J ^{[1
]}

Kugler, R ^{[1
]}

Schoppmann, C ^{[1
]}

Voit, H ^{[1
]}

机构：

[1] UNIV ERLANGEN NURNBERG,INST PHYS,D-91058 ERLANGEN,GERMANY

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1997年 / 132卷 / 03期

关键词：

polyatomic projectiles; surface impact; MeV sputtering;

D O I：

10.1016/S0168-583X(97)00413-8

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

MeV sputtering from CsI and organic samples induced by the polyatomic ions C-n(+) (n = 1-12), Ag-n(+) (n = 1-7), and Au-n(+) (n = 1-5) has been investigated. It is found that the desorption yield Y-n increases more than linearly with increasing number n of projectile constituents. In case of the C-n(+) induced desorption from a CsI sample it could be shown that the nonlinear increase of Y-n reflects a linear increase of the energy density produced by the cluster projectile. This is a collective effect resulting from the simultaneous action of all it constituents of the polyatomic ion. (C) 1997 Elsevier Science B.V.

引用

页码：371 / 376

页数：6

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