TIME-DEPENDENCE OF STEP FLUCTUATIONS ON VICINAL CU(1119) SURFACES INVESTIGATED BY TUNNELING MICROSCOPY

被引：127

作者：

GIESENSEIBERT, M

JENTJENS, R

POENSGEN, M

IBACH, H

机构：

[1] Institut für Grenzflächenforschung und Vakuumphysik, Forschungszentrum Jülich, D 52425, Jülich

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.71.3521

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Equilibrium fluctuations of steps on vicinal Cu(1119) surfaces show a power law time dependence. The exponent of 1/4 provides evidence that the step edges and the terraces do not exchange atoms in the investigated temperature range. The activation energy for the emission of adatoms from kink sites on to the step edges is higher than what is expected based on recent total energy calculations.

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页码：3521 / 3524

页数：4

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