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Type: Artigo de periódico
Title: Extremely Long Spin-relaxation Of Excitons Localized In Gaas/algaas Coupled Quantum Well Structures
Author: Triques A.L.C.
Vinattieri A.
Colocci M.
Ferreira R.
Roussignol P.
Abstract: Strong spin polarization has been observed for localized excitons in GaAs/AlGaAs symmetrical double quantum-wells as a function of excitation energy and temperature. The spin relaxation time has been obtained from time-resolved luminescence spectroscopy and turns out to be surprisingly long at low temperatures. A localized nature of the exciton undergoing recombination is invoked in order to explain the observed polarization effects.
Rights: fechado
Identifier DOI: 
Date Issue: 1996
Appears in Collections:Unicamp - Artigos e Outros Documentos

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