A NEW MECHANISM FOR SURFACE-DIFFUSION - MOTION OF A SUBSTRATE-ADSORBATE COMPLEX

被引：128

作者：

STRANICK, SJ

PARIKH, AN

ALLARA, DL

WEISS, PS

机构：

[1] PENN STATE UNIV,DEPT CHEM,UNIVERSITY PK,PA 16802

[2] PENN STATE UNIV,DEPT MAT SCI & ENGN,UNIVERSITY PK,PA 16802

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1994年 / 98卷 / 43期

关键词：

D O I：

10.1021/j100094a024

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：

We propose a new mechanism for diffusion of surface adsorbates in which motion of the substrate atoms to which the adsorbates are attached results in the motion of the substrate-adsorbate complex. We show an experimental example-the motion of self-assembled monolayers of CH3O2C(CH2)(15)SH on gold which we have observed by time-lapse imaging using scanning tunneling microscopy. This mechanism is also used to explain previous data for motion of Cu-O complexes on the Cu{110} surface.

引用

页码：11136 / 11142

页数：7

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