Self-assembly of triangular quantum dots on (111)A substrates by droplet epitaxy
AIP Conference Proceedings(2014)
摘要
We report the self-assembly of triangular GaAs quantum dots (QDs) on (111)A substrates using droplet epitaxy. Shape transition from hexagonal to triangular QDs is observed with increasing crystallizing temperature. The mechanism of the morphological change is discussed in terms of different growth rates of step edges on a (111)A substrate.
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关键词
Quantum Dot,Droplet Epitaxy,(111)A
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