Atomic geometry of the Ge(110)c(8 x 10) structure

被引：17

作者：

Ichikawa, T ^{[1
]}

机构：

[1] Meiji Univ, Sch Sci & Technol, Dept Phys, Tama Ku, Kawasaki, Kanagawa 2148572, Japan

来源：

SURFACE SCIENCE | 2004年 / 560卷 / 1-3期

关键词：

computer simulations; density functional calculations; surface structure; morphology; roughness; and topography; germanium; low index single crystal surfaces;

D O I：

10.1016/j.susc.2004.04.040

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 new structural model for the Ge(1 10)c(8 x 10) structure was proposed in the present work, based on STM images experimentally obtained, and relaxed together with another model previously presented by Gai et al., using an ab initio molecular dynamics program FH198md. STM images simulated from electronic structure of our relaxed model could well explain features of experimental STM images in contrast to STM images from relaxed Gai model. This shows that our model is better and five-membered clusters of Ge adatoms play central role as building blocks. Some discussion is presented on the atomic geometry of the c(8 x 10) structure and its domain boundary. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：205 / 212

页数：8

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