SURFACE-SPECIFIC RESONANCES IN THE OPTICAL SHG SPECTRUM AT AN ADSORBATE-COVERED SEMICONDUCTOR

被引:1
作者
AKULIN, VM [1 ]
GOLLER, S [1 ]
DACOSTA, DJG [1 ]
REBENTROST, F [1 ]
机构
[1] MOSCOW ENGN PHYS INST,MOSCOW,USSR
关键词
D O I
10.1088/0953-8984/4/14/016
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The frequency dependence of second-harmonic generation (SHG) at an adsorbate-covered semiconductor surface is investigated. A one-dimensional model is proposed for the bulk carrier motion in the vicinity of the adsorbate. Numerical simulations were performed for the cases of carriers induced by charge transfer from strong donor- or acceptor-type adsorbates. The SHG spectra reveal strong resonant signal enhancement resulting from Rydberg-like states of the carrier-surface system.
引用
收藏
页码:3857 / 3866
页数:10
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