In (Ga) As/GaAs site‐controlled quantum dots with tailored morphology and high optical quality
C Schneider, A Huggenberger, M Gschrey… - … status solidi (a), 2012 - Wiley Online Library
In this article, we describe epitaxial growth and investigations of optical properties of In (Ga)
As/GaAs site‐controlled quantum dots (QDs) fabricated on (001)‐oriented GaAs substrates.
The QD nucleation is directed by pre‐patterning planar GaAs surfaces with shallow
nanoholes. The focus of this work lies on the realization of arrays of site‐controlled QDs
(SCQDs) with a tailored morphology and optical properties comparable to QDs fabricated on
planar substrates. By maximizing the migration length during QD deposition, we were able …
As/GaAs site‐controlled quantum dots (QDs) fabricated on (001)‐oriented GaAs substrates.
The QD nucleation is directed by pre‐patterning planar GaAs surfaces with shallow
nanoholes. The focus of this work lies on the realization of arrays of site‐controlled QDs
(SCQDs) with a tailored morphology and optical properties comparable to QDs fabricated on
planar substrates. By maximizing the migration length during QD deposition, we were able …
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