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|Type:||Artigo de periódico|
|Title:||Extremely Long Spin-relaxation Of Excitons Localized In Gaas/algaas Coupled Quantum Well Structures|
|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.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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