Title
Electron and exciton energy spectra in self-assembled InGaAs/GaAs ring-like nanostructures Electron and exciton energy spectra in self-assembled InGaAs/GaAs ring-like nanostructures
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Berlin ,
Subject
Physics
Source (journal)
Physica status solidi: B: basic research. - Berlin
Volume/pages
245(2008) :12 , p. 2657-2661
ISSN
0370-1972
ISI
000261734500007
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Theoretical analysis of the electron energy spectrum and the magnetization of an electron in a strained Inx Ga1-x As/GaAs self-assembled quantum ring (SAQR) is performed with realistic parameters, determined from the cross-sectional scanning-tunneling microscopy characterization of that nanostructure. The effects of the Coulomb interaction on the energy spectrum of an exciton in a SAQR as well as on the optical-transition probabilities are studied within our model of a SAQR.
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