薄膜和量子点的外延生长(英文)

首先简短地综述了人们关于外延薄膜材料层状(layer-by-layer)生长机制的认识;给出了作者关于自组装量子点外延生长过程的评价和观点,强调了量子点自组装生长过程的复杂性和非线性性质。在对已经发表过的实验数据进一步分析的基础上,作者对一个量子点自组装生长形成所需要的时间作了一个估算,说明这是一个非常快的过程(<10-4s)。最后,作者提出了一个理解量子点自组装生长过程机制的模型。

Epitaxial Growth of a Thin Film and Quantum Dots

The authors give a brief review on people's general view on the epitaxial growth of a thin film via the layer-by-layer growth mode.Then they have a remark on the self-assembling of quantum dots via the epitaxial growth to notice its complexity and nonlinear behavior.Further-more,based on the further analysis of the experimental data published previously,the authors have an estimate of the time scale for the growth of a quantum dot and demonstrate that it is an unexpectedly rapid process,Finally,the authors propose a preliminary conceptual framework within which the formation of quantum dots can be understood in the InAs/GaAs(001)system.