A THEORY FOR AUGER NEUTRALIZATION OF HE+ IONS SCATTERED OFF SIMPLE METAL-SURFACES

被引：15

作者：

LORENTE, N

MONREAL, R

机构：

[1] Departamento de Física de la Materia Condensada C-XII, facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco

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)95774-Y

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The spectra of electrons emitted during the collision of slow He+ ions with metal surfaces are calculated. We consider the Auger neutralization process to be responsible for the electron emission. The main ingredients in our calculation of the Auger transition rate are the energy level variation of the ls state of He and the effective electron density n(z) which takes care of the electron tunneling through the metal-atom potential well. Our results are compared with available experiments for Cu.

引用

页码：44 / 48

页数：5

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