Self-organization of quantum-dot pairs by high-temperature droplet epitaxy
Department of Physics, University of Arkansas, Fayetteville, AR, 72701, USA
Nanoscale Research Letters 2006, 1:57-61 doi:10.1007/s11671-006-9002-zPublished: 25 July 2006
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.