Atomic mobility of Ag and Fe on the Ag(100) surface

被引：0
|
作者：
Langelaar, MH [1 ]
Boerma, DO [1 ]
机构：
[1] Univ Groningen, Ctr Mat Sci, NL-9747 AG Groningen, Netherlands
来源：
SURFACE DIFFUSION: ATOMISTIC AND COLLECTIVE PROCESSES | 1997年 / 360卷
关键词：
D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
In this paper we present a low-energy ion scattering (I,EIS) study of the mobility of Ag and Fe adatoms on the Ag(100) surface. We determined the onset temperature for Ag adatom diffusion on Ag(100) to be 160(5) K. From this value we estimated the activation energy barrier for self-diffusion on Ag(100) to be 0.40(5) eV. Single Fe adatoms on the Ag(100) surface were found to exchange site with Ag atoms from the first layer, starting at a temperature of 130(10) K.
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页码：67 / 74
页数：8
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