An atomically resolved study of InGaAs quantum dot layers grown with an indium flush step

J. G. Keizer, E. C. Clark, M. Bichler, G. Abstreiter, J. J. Finley, P. M. Koenraad

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

In this cross-sectional scanning tunnelling microscopy study we investigate the indium flush method as a means to control the height of self-assembled InGaAs quantum dots and wetting layers. The results show that application of an indium flush step during growth results in flattened dots and a reduced wetting layer of which the height can be precisely controlled by varying the height of the first capping layer.

Original languageEnglish
Article number215705
JournalNanotechnology
Volume21
Issue number21
DOIs
StatePublished - 2010

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