SEPARATION OF SCATTERED IONS AND NEUTRALS IN CAICISS WITH AN ACCELERATION TUBE

被引:10
|
作者
KAMIYA, I [1 ]
KATAYAMA, M [1 ]
NOMURA, E [1 ]
AONO, M [1 ]
机构
[1] AONO ATOMCRAFT PROJECT,TOKYO,TOKYO 173,JAPAN
关键词
D O I
10.1016/0039-6028(91)90299-8
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
A coaxial impact-collision ion scattering spectroscopy (CAICISS) apparatus equipped with an acceleration tube in the flight path of its time-of-flight analyzer has been developed. This apparatus has been operated successfully to separate charged and neutral particles being backscattered at 180-degrees during ion scattering experiments. By the use of this technique, the neutralization probability of incident ions can be investigated in an atom-by-atom scheme, and subsequently the structural and electronic information of a given surface can be obtained simultaneously. In the present work, the apparatus has been employed to study the charge exchange of 2 keV He+ with Ag atoms at the Si(111) square-root 3 x square-root 3 R30-degrees -Ag surface and in Ag crystallites epitaxially grown on a Si(111) substrate.
引用
收藏
页码:404 / 409
页数:6
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