Study of arsenic for antimony exchange at the Sb-stabilized GaSb(001) surface

被引：5
|
作者：
Righi, M. C. [1 ]
Magri, Rita [1 ]
Bertoni, C. M. [1 ]
机构：
[1] Univ Modena, INFM Natl Res Ctr NanoStruct & BioSyst Surfaces, I-41100 Modena, Italy
来源：
APPLIED SURFACE SCIENCE | 2006年 / 252卷 / 15期
关键词：
adsorption; exchange reaction at surface; density functional theory; III-V compounds;
D O I：
10.1016/j.apsusc.2005.12.068
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：
In this paper we present a first-principle study on the energetics of a single As-2 molecule on GaSb(001) reconstructed surface. In order to shed light into the mechanisms of anion exchange at the Sb-rich GaSb(001) surface, we studied firstly As-2 adsorption and then As for Sb exchange. We identify a surface region where both the processes are energetically favored. The results of this twofold analysis can be combined to derive possible reaction paths for the anion exchange process. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：5271 / 5274
页数：4
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