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A new method to epitaxially grow long-range ordered self-assembled InAs quantum dots on (110) GaAs

Year: 2004

Type: preprint

Abstract: We report on a new approach for positioning of self-assembled InAs quantum dots on (110) GaAs with nanometer precision. By combining self-assembly of quantum dots with molecular beam epitaxy on in-situ cleaved surfaces (cleaved-edge overgrowth) we have successfully fabricated arrays of long-range ordered InAs quantum dots. Both atomic force microscopy and micro-photoluminescence measurements demonstrate the ability to control size, position, and ordering of the quantum dots. Furthermore, single dot photoluminescence investigations confirm the high optical quality of the quantum dots fabricated.

Source: arXiv (Cornell University)

DOI: 10.48550/arxiv.cond-mat/0403328

Authors: Bauer, J., Schuh, D., Uccelli, E., Schulz, R., Kress, A., Hofbauer, F., Finley, J. J., Abstreiter, G.

Language: English

Topic: Semiconductor Quantum Structures and Devices

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W1633100598

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