Self-assembled islands on strained systems: Control of formation, evolution, and spatial distribution

被引：9

作者：

Mendonca, CAC ^{[1
]}

Cotta, MA ^{[1
]}

Meneses, EA ^{[1
]}

Carvalho, MMG ^{[1
]}

机构：

[1] Univ Estadual Campinas, IFGW, DFA LPD, BR-13081970 Campinas, SP, Brazil

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 19期

关键词：

D O I：

10.1103/PhysRevB.57.12501

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The dynamics of island formation on strained epitaxial films is investigated using the system formed by InAs on InP. Island shape, size, and spatial distribution are determined by surface atom diffusion that is modified by the presence of steps and/or corrugations on the surface. Different step characteristics-type and density-are shown to strongly affect the islanding process. By controlling the morphology of the underlying InP film we were able to achieve InAs/InP structures with periodic spatial distribution in one single step of growth.

引用

页码：12501 / 12505

页数：5

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