Plasmon-assisted electron emission from Al and Mg surfaces by slow ions

被引：122
|
作者：
Baragiola, RA
Dukes, CA
机构：
[1] Engineering Physics, University of Virginia, Charlottesville, VA, 22901, Thornton Hall
来源：
PHYSICAL REVIEW LETTERS | 1996年 / 76卷 / 14期
关键词：
D O I：
10.1103/PhysRevLett.76.2547
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report energy distributions of electrons emitted from Al and Mg surfaces bombarded by 30-4500 eV He+, Ne+, and Ar+ ions, which contain structure consistent with the decay of surface and bulk plasmons. We propose that plasmon excitation is due to the sudden change of the surface dipole (incident ion plus image charge) resulting from the disappearance of the image charge and appearance of a hole in the metal.
引用
收藏
页码：2547 / 2550
页数：4
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