INTERBAND-TRANSITIONS, SURFACE-BARRIER PHOTOABSORPTION, AND CHARGE-SCREENING WAVES OBSERVED VIA OPTICAL 2ND-HARMONIC GENERATION OF CS-COVERED CU(111)

被引:41
作者
LINDGREN, SA
WALLDEN, L
机构
[1] Department of Physics, Chalmers University of Technology
来源
PHYSICAL REVIEW B | 1992年 / 45卷 / 11期
关键词
D O I
10.1103/PhysRevB.45.6345
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The optical second-harmonic generation of Cu(111) has been measured during continuous deposition of Cs using incident light with lambda = 1064 nm from a pulsed Nd:YAG laser. The intensity varies greatly with coverage, showing for multilayer coverages an oscillatory intensity ascribed to dynamic Friedel oscillations, while for monolayer coverages we associate the intensity variations with transitions between surface bands and with vacuum-barrier photoabsorption.
引用
收藏
页码:6345 / 6347
页数:3
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