Quantum dot growth on (111) and (110) surfaces using tensile-strained self-assembly

Paul J. Simmonds

doi:10.1117/12.2299676

21 February 2018 Quantum dot growth on (111) and (110) surfaces using tensile-strained self-assembly

Paul J. Simmonds

Proceedings Volume 10543, Quantum Dots and Nanostructures: Growth, Characterization, and Modeling XV; 105430L (2018) https://doi.org/10.1117/12.2299676
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

The self-assembly of epitaxial quantum dots on (001) surfaces, driven by compressive strain, is a widely used tool in semiconductor optoelectronics. In contrast, the growth of quantum dots on (111) and (110) surfaces has historically been a significant challenge. In most cases the strain relaxes rapidly via dislocation nucleation and glide before quantum dots can form. In this paper, we discuss a method for the reliable and controllable self-assembly of quantum dots on both (111) and (110) surfaces, where tensile strain is now the driving force. By showing that tensile-strained self-assembly is applicable to several material systems, we demonstrate the versatility of this technique. We believe that tensile-strained self-assembly represents a powerful tool for heterogeneous materials integration, and nanomaterial development, with future promise for band engineering and quantum optics applications.

Conference Presentation

Citation Download Citation

Paul J. Simmonds "Quantum dot growth on (111) and (110) surfaces using tensile-strained self-assembly", Proc. SPIE 10543, Quantum Dots and Nanostructures: Growth, Characterization, and Modeling XV, 105430L (21 February 2018); https://doi.org/10.1117/12.2299676

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