Nano Science and Technology Institute
Nanotech 2006 Vol. 3
Nanotech 2006 Vol. 3
Technical Proceedings of the 2006 NSTI Nanotechnology Conference and Trade Show, Volume 3
Chapter 2: Nanoscale Fabrication

Feasibility Study of Directed Self-Assembly of Semiconductor Quantum Dots

Authors:L.H. Friedman and J. Xu
Affilation:Pennsylvania State University, US
Pages:149 - 150
Keywords:self-assembly, quantum dots, semiconductor heterostructures, Si/Ge
Abstract:Strain mismatched semiconductors are used to form Self-Assembled Quantum Dots (SAQDs). An important step in developing SAQD technology is to control randomness and disorder in SAQD arrays. There is usually both spatial and size disorder. Here, it is proposed to use spa-
tially varying heating as a method of to direct self-assembly and create more ordered SAQD arrays or to control placement of single dots or dot clusters. The feasibility of this approach is demonstrated using a 2D computational model of Ge dots grown in Si based on finite element
analysis of surface diffusion and linear elasticity.
Feasibility Study of Directed Self-Assembly of Semiconductor Quantum DotsView PDF of paper
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