CHEMICAL-POTENTIAL MAPS AND SPATIAL CORRELATIONS IN 2D-ISLAND RIPENING ON SI(001)

被引：110

作者：

THEIS, W ^{[1
]}

BARTELT, NC ^{[1
]}

TROMP, RM ^{[1
]}

机构：

[1] UNIV MARYLAND,DEPT PHYS,COLLEGE PK,MD 20742

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.75.3328

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have used low energy electron microscopy to study the roles of surface diffusion and step-edge attachment kinetics in 2D-island ripening, a phenomenon closely related to epitaxial growth. From experimental maps of the chemical potential, showing variations of up to a factor of 3, we conclude that nearest-neighbor correlations between islands are of central importance, in contrast to common mean-field theory. Detailed simulations of the time evolution of specific island configurations are in close agreement with experimental results.

引用

页码：3328 / 3331

页数：4

共 14 条

[1] STEP CAPILLARY WAVES AND EQUILIBRIUM ISLAND SHAPES ON SI(001) [J].