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Type: Artigo de periódico
Title: Binding Energies And Intra-donor Absorption Spectra In Gaas-gaalas Quantum Wells
Author: Carneiro Gleise N.
Weber Gerald
Oliveira Luiz E.
Abstract: We present a variational calculation in the effective-mass approximation of the binding energies of shallow donors in a GaAs-GaAlAs quantum wells. The energies and variational wavefunctions associated with the 1s-like ground state as well as some excited states (2s, 2px,y, 2pz, 3s, 3px,y and 3pz-like) are obtained as functions of the position of the impurity in the well. The intra-donor transition strengths and the infrared absorption spectra are calculated and results compare well with previous theoretical and experimental work.
Rights: fechado
Identifier DOI: 10.1088/0268-1242/10/1/006
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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