催化剂滴度对砷化镓纳米晶须生长的影响

International Conference and Seminar of Young Specialists on Micro/Nanotechnologies and Electron Devices Pub Date : 2012-07-02 DOI:10.1109/EDM.2012.6310226

M. V. Knyazeva, N. Shwartz

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引用次数: 2

摘要

采用蒙特卡罗模型分析了气-液-固机制下砷化镓纳米晶须的生长过程。在金滴活化的GaAs(111)B表面实现了纳米晶须的生长。在模型体系中发现了一些实验观察到的效应:生长过程中催化剂液滴形状的改变和NW直径的减小，Au原子从液滴向GaAs表面的迁移，Au在生长晶须中的溶解。

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Influence of catalyst drop properties on GaAs nanowhisker growth

GaAs nanowhisker growth according to vapor-liquid-solid mechanism was analyzed using Monte Carlo model. Nanowhisker growth on GaAs(111)B surface activated by golden drops was realized. In the model system some experimentally observed effects were found: change of catalyst drop shape and decrease of NW diameter during growth, Au atom migration from the drop to GaAs surface, Au dissolution in growing whisker.

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International Conference and Seminar of Young Specialists on Micro/Nanotechnologies and Electron Devices

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