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Type: Artigo de periódico
Title: Effects Of Hydrostatic Pressure And Crossed Electric And Magnetic Fields On Shallow-donor States In Gaas / Ga1 - X Alx As Quantum Wells
Author: Tangarife E.
Lopez S.Y.
de Dios-Leyva M.
Oliveira L.E.
Duque C.A.
Abstract: We have used a variational procedure within the envelope-function and parabolic-band approximations to investigate the effects of hydrostatic pressure and crossed electric and magnetic fields on shallow-donor states in GaAs / Ga1 - x Alx As quantum wells. The donor variational envelope wave function is obtained through a hydrogenic 1s-like wave function and an expansion in a complete set of trigonometrical functions, and a detailed study is performed of the dependence of the donor binding energies on the applied hydrostatic pressure and applied in-growth direction electric and in-plane magnetic fields. © 2007 Elsevier Ltd. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/j.mejo.2007.07.021
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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