NDLI: Infinite potential barrier and hydrostatic pressure effects on impurity-related optical absorption spectra in GaAs double quantum wells

Content Provider	Scientific Electronic Library Online (SciELO)
Author	Raigoza, N. Morales, A. L. Duque, C. A.
Abstract	Using the effective-mass approximation and the variational method, we have calculated the effects of hydrostatic pressure on the donor- and acceptor-related optical absorption spectra in symmetrical GaAs double quantum well structures. A central finite potential barrier and two infinite external barriers constitute the profile of the potential barrier considered for the wells. Our results are presented as a function of the well and barrier widths and hydrostatic pressure. For the pressure dependence we consider the gamma-X mixing in the central barrier layer. For symmetrical and infinite-external-barrier quantum wells, and depending on the sizes of the structure and the hydrostatic pressure, the donor-related spectra show three special structures, whereas for the acceptor one only two structures appear.
Related Links	http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0103-97332006000300031&lng=en&nrm=iso http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332006000300031&lng=en&nrm=iso
Starting Page	350
Ending Page	353
Page Count	4
File Format	PDF
ISSN	01039733
DOI	10.1590/S0103-97332006000300031
Journal	Brazilian Journal of Physics
Issue Number	2a
Volume Number	36
Language	English
Publisher	Sociedade Brasileira de Física
Publisher Date	2006-06-01
Publisher Institution	Universidad de Antioquia Instituto de Física
Publisher Place	Colombia
Access Restriction	Open
Subject Keyword	GaAs Double Quantum Wells Effective-mass approximation Hydrostatic pressure
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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