Atomic mechanisms and kinetics of self-diffusion on the Pd(001) surface

被引：8
|
作者：
Evteev, AV [1 ]
Kosilov, AT [1 ]
Solyanik, SA [1 ]
机构：
[1] Voronezh State Tech Univ, Voronezh 394026, Russia
来源：
PHYSICS OF THE SOLID STATE | 2004年 / 46卷 / 09期
关键词：
D O I：
10.1134/1.1799201
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The atomic mechanisms and kinetics of self-diffusion of Pd adatoms on a single-crystal Pd(001) surface are investigated using molecular dynamics simulation. It is shown that the migration of Pd adatoms on the Pd(001) surface predominantly occurs through the relay-race mechanism with the participation of substrate atoms. The activation energy for an elementary event of relay-race self-diffusion is calculated from the kinetic equation describing the change in the concentration of surface, adatoms labeled at the initial instant of time. (C) 2004 MAIK "Nauka/Interperiodica".
引用
收藏
页码：1781 / 1784
页数：4
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