Electron and exciton energy spectra in self-assembled InGaAs/GaAs ring-like nanostructures

V.M. Fomin, V.N. Gladilin, J.T. Devreese, N.A.J.M. Kleemans, M. Bozkurt, P.M. Koenraad

Research output: Contribution to journalArticleAcademicpeer-review

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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.
Original languageEnglish
Pages (from-to)2657-2661
JournalPhysica Status Solidi B
Volume245
Issue number12
DOIs
Publication statusPublished - 2008

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