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Type: Artigo de periódico
Title: Photoluminescence Under Quasistationary Excitation Conditions In Quantum Wells And Quantum-well Wires
Author: Perez-Merchancano S.T.
De Dios-Leyva M.
Oliveira L.E.
Abstract: A quantum-mechanical calculation of radiative recombination in GaAs-(Ga, Al)As quantum wells and quantum-well wires, excited by a cw laser in a photoluminescence experiment under quasistationary excitation conditions, is perfomed. We work within the effective-mass approximation and the parabolic-band model for describing both electrons and holes, and consider, in the steady state, the interband absorption, and some radiative recombination mechanisms, such as recombination of electrons with free holes and with holes bound at acceptors, and nonradiative recombination involving traps. Carrier densities, chemical potentials, and electron-hole recombination decay times are calculated as functions of the temperature and laser intensity. Theoretical results are in good agreement with available experimental data.
Rights: fechado
Identifier DOI: 
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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