volume 36, issue 3b, P862-865 2006
DOI: 10.1590/s0103-97332006000600017
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Abstract: The hydrostatic-pressure and applied electric field dependencies of the binding energy and the opticalabsorption spectra, associated with transitions between the n = 1 valence subband and the donor-impurity band, in symmetrical and asymmetrical GaAs − Ga 1−x Al x As double quantum-well structures are calculated using a variational procedure within the effective-mass approximation. Results are obtained for different well and barrier widths, shallow-donor impurity positions, hydrostatic pressure, and applied el…

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