PHOTON-EMISSION INDUCED BY IMPACT OF FAST IONS ON METAL SURFACES.

被引：11
|
作者：
Kerkdijk, C.B. [1 ]
Thomas, E.W. [1 ,2 ]
机构：
[1] FOM-Instituut voor Atoom- en Molecuulfysica, Kruislaan 407, Amsterdam/Wgm, Netherlands
[2] Georgia Institute of Technology, Atlanta,GA, United States
来源：
Radiation Effects | 1973年 / 18卷 / 3-4期
关键词：
PHOTONS; -; Emission;
D O I：
10.1080/00337577308232129
中图分类号：
学科分类号：
摘要：
A study has been made of photon-emission induced by impact of H** plus and He** plus ions on gold and nickel metallic surfaces. An energy selected beam is directed onto a metal surface and the emitted light is analyzed by a monochromator. No singlet lines of helium were observed and also no line emissions from the target material. The line-shape of the He-lines has been studied in detail. The shape can be qualitatively explained by Doppler shifts of emission from projectiles scattered by bi-particle collisons in the surface. The total intensity of the lines increases as a function of beam energy and of incidence angle on the surface.
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页码：241 / 244
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