Donor impurity‐related optical absorption spectra in GaAs‐Ga 1– x   Al  x   As quantum wells: hydrostatic pressure and  Γ  – X  conduction band mixing effects | Zendy

MoraRamos M. E. | Zendy; López S. Y. | Zendy; Duque C. A. | Zendy; Velasco V. R. | Zendy

Open Access

Donor impurity‐related optical absorption spectra in GaAs‐Ga 1– x Al x As quantum wells: hydrostatic pressure and Γ – X conduction band mixing effects

Author(s) -

MoraRamos M. E.,

López S. Y.,

Duque C. A.,

Velasco V. R.

Publication year - 2007

Publication title -

physica status solidi c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.21

H-Index - 46

eISSN - 1610-1642

pISSN - 1862-6351

DOI - 10.1002/pssc.200673257

Subject(s) - impurity , hydrostatic pressure , effective mass (spring–mass system) , quantum well , spectral line , mixing (physics) , chemistry , acceptor , conduction band , absorption (acoustics) , condensed matter physics , absorption spectroscopy , hydrostatic equilibrium , binding energy , atomic physics , physics , thermodynamics , optics , laser , quantum mechanics , electron , organic chemistry

Using a variational procedure within the effective mass approximation, the mixing between the Γ and X conduction band valleys in GaAs‐Ga 1– x Al x As quantum wells is investigated by taking into account the effect of applied hydrostatic pressure. Some optical properties such as donor and/or acceptor binding energy and impurity‐related transition energies are calculated and comparisons with available experimental data are presented. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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