W. Seifert, N. Carlsson, P. Castrillo, D. Hessman, T. Junno, M. Pistol, L. Samuelson, R. Wallenberg
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引用次数: 0
摘要
本文研究了由二维(Frank-Van der Merwe)向三维层+岛(Stranski-Krastanow)形态的应变诱导相变在GaInP和GaAs表面上形成的InP点的形状、大小和密度。观测结果支持包括岛屿形成动力学在内的模型,这些模型是解释点的相当高的尺寸均匀性的重要因素。
In-situ grown dots of InP on GaAs and GaInP-a comparison
Shape, size and density of dots of InP on GaInP and GaAs surfaces, formed in-situ by the strain-induced phase transition from a two-dimensional (Frank-Van der Merwe) into a three-dimensional layer+islands (Stranski-Krastanow) morphology, are investigated. The observations support models which include the kinetics of island formation as important ingredients to explain the rather high size homogeneity of the dots.