Intrarow diffusion of Au atoms in the Si(111)-(5x2)Au structure

被引：32
|
作者：
Hasegawa, T
Hosoki, S
机构：
[1] Central Research Laboratory, Hitachi Ltd., Tokyo 185, Kokubunji
来源：
PHYSICAL REVIEW B | 1996年 / 54卷 / 15期
关键词：
D O I：
10.1103/PhysRevB.54.10300
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Intra-row diffusion of Au atoms in the Si(111)-(5x2)Au reconstructed structure has been observed by using high-temperature scanning tunneling microscopy. Loosely bonded Au atoms. which are arranged with 2(n + I)a spacings at room temperature, diffuse in the twofold direction at higher temperatures among adsorbed sites arranged at 2a intervals. These diffusing Au atoms seem to be thr reason there is a nonintegral number of Au atoms in the (5x2) unit cell.
引用
收藏
页码：10300 / 10303
页数：4
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