Surface island formation with localized stresses

被引：6

作者：

Boyne, A. ^{[1
]}

Rauscher, M. D. ^{[2
]}

Dregia, S. A. ^{[1
]}

Wang, Y. ^{[1
]}

机构：

[1] Ohio State Univ, Dept Mat Sci & Engn, Columbus, OH 43210 USA

[2] Cornerstone Res Grp Inc, Dayton, OH 45440 USA

来源：

SCRIPTA MATERIALIA | 2011年 / 64卷 / 08期

基金：

美国国家科学基金会;

关键词：

Surface structure; Thin films; Self-organization and patterning; Simulation; Phase field models; HETEROEPITAXIAL THIN-FILMS; MORPHOLOGICAL INSTABILITY; FIELD; DIFFUSION; EVOLUTION; GROWTH; RELAXATION; SIMULATION; INTERFACE; ARRAYS;

D O I：

10.1016/j.scriptamat.2010.12.017

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Motivated by recently reported experimental observations, the role of surface structures in the formation of surface islands by the Asaro-Tiller-Grinfeld-Srolovitz instability was investigated via computer simulations using the phase field method. These structures caused a spontaneous ordering in the form of a wavelike marching of surface islands during instability. The simulation results were used to explain a particular feature of the previously reported experimental observations, namely the existence of regular bands of nanoislands on yttria-stabilized zirconia/gadolinia-doped ceria heteroepitaxial surfaces. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：705 / 708

页数：4

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