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Quantum-dot growth simulation on periodic stress of substrate

Zhao, Chang; Chen, Y. H.; Cui, C. X.; Xu, B.; Sun, J.; Lei, W.; Lu, L. K.; Wang, Z. G.


InAsquantum dots(QDs) are grown on the cleaved edge of an InₓGa₁ˍₓAs∕GaAs supperlattice experimentally and a good linear alignment of these QDs on the surface of an InₓGa₁ˍₓAs layer has been realized. The modulation effects of periodic strain on the substrate are investigated theoretically using a kinetic Monte Carlo method. Our results show that a good alignment of QDs can be achieved when the strain energy reaches 2% of the atomic binding energy. The simulation results are in excellent...[Show more]

CollectionsANU Research Publications
Date published: 2005-09-08
Type: Journal article
Source: The Journal of Chemical Physics
DOI: 10.1063/1.2006677


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