2×2自组织量子点阵列应变场分布的有限元分析

doi:10.13190/jbupt.200506.57.260

北京邮电大学学报 ›› 2005, Vol. 28 ›› Issue (6): 57-60.doi: 10.13190/jbupt.200506.57.260

2×2自组织量子点阵列应变场分布的有限元分析

杨红波1，2 ,俞重远1，3 ,刘玉敏1，3

1北京邮电大学理学院，北京 100876; 2 天津大学理学院，天津 300072; 3北京邮电大学光通信与光波技术教育部重点实验室，北京 100876

出版日期:2005-12-28 发布日期:2005-12-28

Finite Element Analysis on the Strain Field of 2×2 Array Self-Organized Quantum Dots

YANG Hongbo1,2 ，YU Zhongyuan1,3 ，LIU Yumin1,3

1School of Science，Beijing University of Posts and Telecommunications, Beijing 100876, China; 2School of Science, Tianjin University, Tianjin 300072, China； 3Key Laboratory of Communication and Lightwave Technologies Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China

Online:2005-12-28 Published:2005-12-28

摘要/Abstract

摘要：

介绍了量子点阵列的有限元分析方法，分析了二维透镜形2×2自组织相干量子点阵列的应变场分布，给出了不同方向上和不同位置处量子点阵列的应变运算结果. 通过对结果的讨论得出结论：当量子点间的横向距离与其线度可比拟时，量子点阵列中各量子点内的应变不受周围其他量子点的影响.v

关键词: 量子点阵列, 有限元, 应变场分布

Abstract:

The elastic strain fields in the 2×2 array self-organized coherent quantum dots (QD) structures were investigated in detail by the finite element analysis for lens QDs. Strains of quantum dots array along different directions at different height in QDs were presented. Conclusions show that the strain of QD will not be influenced by the other of the QDs array when the size is similar to the distances between the QDs in the array.

Key words: quantum dots array, finite element method； strain field distribution

中图分类号:

O471
O472v

杨红波，俞重远，刘玉敏. 2×2自组织量子点阵列应变场分布的有限元分析[J]. 北京邮电大学学报, 2005, 28(6): 57-60.

YANG Hongbo1,2 ，YU Zhongyuan1,3 ，LIU Yumin1,3. Finite Element Analysis on the Strain Field of 2×2 Array Self-Organized Quantum Dots[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2005, 28(6): 57-60.

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2×2自组织量子点阵列应变场分布的有限元分析

Finite Element Analysis on the Strain Field of 2×2 Array Self-Organized Quantum Dots

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