Investigation of the bending vibrations of vicinal H/Si(111) surfaces by infrared spectroscopy

被引：12

作者：

Caudano, Y

Thiry, PA

Chabal, YJ

机构：

[1] Fac Univ Notre Dame Paix, Lab Spect Mol Surface, B-5000 Namur, Belgium

[2] Agere Syst, Electr & Photon Mat Phys Res, Murray Hill, NJ 07974 USA

来源：

SURFACE SCIENCE | 2002年 / 502卷

关键词：

chemisorption; hydrogen atom; infrared absorption spectroscopy; semiconducting surfaces; silicon; stepped single crystal surfaces; surface structure; morphology; roughness; and topography; vibrations of adsorbed molecules;

D O I：

10.1016/S0039-6028(01)01904-5

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：

We studied the vibrational structure of vicinal hydrogenated Si(1 1 1) surfaces by transmission infrared spectroscopy. In particular, we investigated the bending modes of the silicon hydrides present on the terraces and at the step-edges. We find that step-induced surface stress and/or long-range dipolar interactions split the bending modes of the Si(1 1 1) terrace monohydrides into two components, parallel and perpendicular to the step-edge direction. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：91 / 95

页数：5

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