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Atomic-scale structure of self-assembled In(Ga)As quantum rings in GaAs

✍ Scribed by Offermans, P.; Koenraad, P. M.; Wolter, J. H.; Granados, D.; Garcia, J. M.; Fomin, V. M.; Gladilin, V. N.; Devreese, J. T.

Book ID
115475193
Publisher
American Institute of Physics
Year
2005
Tongue
English
Weight
681 KB
Volume
87
Category
Article
ISSN
0003-6951

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Size filtering effect in vertical stacks
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We present a systematic study of closely In(Ga)As/InAs quantum rings (QRs) grown by molecular beam epitaxy (MBE). Photoluminescence (PL) experiments show a strong filtering effect in the ring being stacked and simultaneous linewidth narrowing for the appropriate layer thickness (thinner thickness).