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Self-organization of quantum-dot pairs by high-temperature droplet epitaxy

Zhiming M Wang*, Kyland Holmes, Yuriy I Mazur, Kimberly A Ramsey and Gregory J Salamo

Author Affiliations

Department of Physics, University of Arkansas, Fayetteville, AR, 72701, USA

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Nanoscale Research Letters 2006, 1:57-61  doi:10.1007/s11671-006-9002-z

The electronic version of this article is the complete one and can be found online at:

Published:25 July 2006

© 2006 to the authors


The spontaneously formation of epitaxial GaAs quantum-dot pairs was demonstrated on an AlGaAs surface using Ga droplets as a Ga nano-source. The dot pair formation was attributed to the anisotropy of surface diffusion during high-temperature droplet epitaxy.

Quantum dots; Droplet epitaxy

Nano Express



We thank Dr. John L. Shultz for his technical assistance regarding the MBE system.


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