Micro-photoluminescence of GaAs/AlGaAs triple concentric quantum rings

A systematic optical study, including micro, ensemble and time resolved photoluminescence of GaAs/AlGaAs triple concentric quantum rings, self-assembled via droplet epitaxy, is presented. Clear emission from localized states belonging to the ring structures is reported. The triple rings show a fast...

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Bibliographic Details
Main Authors: Abbarchi, Marco, Cavigli, Lucia, Somaschini, Claudio, Bietti, Sergio, Gurioli, Massimo, Vinattieri, Anna, Sanguinetti, Stefano
Format: Online
Language:English
Published: Springer 2011
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3226682/