THE APPLICATION OF DIGITAL-TECHNIQUES FOR ELECTRON-ENERGY SPECTROSCOPY USING A RETARDING-FIELD ANALYZER

被引：5
|
作者：
ZEIJLEMAKER, H
VERHOEVEN, J
机构：
[1] FOM Institute for Atomic and Molecular Physics, 1098 SJ Amsterdam
来源：
APPLIED SURFACE SCIENCE | 1990年 / 44卷 / 03期
关键词：
D O I：
10.1016/0169-4332(90)90056-6
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：
This letter presents a method for digitizing the collector signal of a LEED-optics system, used in the retarding field analyser mode. The transformation of a current into a digital signal with a sufficient dynamic range and the modifications needed for the reduction of noise are discussed. The performance of such a system is tested on a three-grid LEED-Auger retarding field analyser having an energy resolution of ΔE/E = 2.5%. As an example, Auger spectra of aluminium films on a carbon substrate are shown. © 1990.
引用
收藏
页码：249 / 251
页数：3
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