A theoretical study of adsorption and the surfactant effect of Sb on the Ag(100) surface

被引：6
|
作者：
Jiang, M [1 ]
Zhou, XY
Qiu, M
Cao, PL
机构：
[1] Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China
[2] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China
[3] Yantai Univ, Dept Phys, Yantai, Peoples R China
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 1998年 / 10卷 / 39期
关键词：
D O I：
10.1088/0953-8984/10/39/004
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The adsorption and the surfactant effect of Sb on the Ag(100) surface are studied using first-principIes calculations. Our calculated results show that the pre-adsorbed Sb atoms act as nucleation centres for the deposited Ag atoms, and surface-substitutional Sb atoms repel on-fee-site Ag atoms nearby. We suggest that the Sb repulsion network reduces the Ag-adatom mobility and leads to a high density of Ag islands which improve the smoothness of the layer-by-layer growth.
引用
收藏
页码：8653 / 8659
页数：7
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