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Type: Artigo de periódico
Title: Confinement Versus Localization For Quantum Wells And Quantum Wires In A Self-assembled Structure
Author: Rasnik I.
Rego L.G.C.
Marquezini M.V.
Triques A.L.C.
Brasil M.J.S.P.
Brum J.A.
Cotta M.A.
Abstract: We investigate the effects of interface localization due to microroughness in a sample presenting a quantum well and a quantum wire. The magnetoshift of the emission lines measured at different temperatures are analysed using a model where the average effect of the microroughness is represented by a Gaussian defect. We obtain a quantitative estimate of the exciton localization due to the microroughness. As the temperature increases the excitons are released from the weak localized defects. Time-resolved luminescence results corroborate this interpretation. © 1999 Academic Press.
Rights: fechado
Identifier DOI: 
Date Issue: 1999
Appears in Collections:Unicamp - Artigos e Outros Documentos

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