Ion neutralization at ionic crystal surfaces

被引：8

作者：

Khvostov, VV ^{[1
]}

Babaev, VG ^{[1
]}

Sokol, OY ^{[1
]}

Shouleshov, EN ^{[1
]}

Guseva, MB ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119899, Russia

来源：

SURFACE SCIENCE | 1998年 / 418卷 / 01期

关键词：

charge exchange; ion-surface interaction; ion-solid interactions; low-energy ion scattering (LEIS); scattering; alkali halides; nitrogen;

D O I：

10.1016/S0039-6028(98)00732-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Results of experimental and theoretical investigations of low-energy ion-surface charge exchange on the surface of LiF single crystals are described. It is shown that, for adequate interpretation of experimental data on ion neutralization, it is important to use the exact overlap integrals of electron orbitals of interacting particles instead of the commonly used exp(-r/r(0)) hopping integrals. The many-particle time-dependent Anderson-Newns Hamiltonian is used to describe ion-surface interaction. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：L20 / L25

页数：6

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