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Optical Properties of Cds Quantum Dots: The Key Role of the Spin-Orbit and Coulomb Interactions

Published online by Cambridge University Press:  10 February 2011

M. Chamarro ,
V. Voliotis ,
M. Dib ,
T. Gacoin ,
C. Delerue ,
G. Allan  and
M. Lannoo
M. Chamarro
Affiliation:
GPS Universités Paris VI-VII and Université d'Evry val d'Essonne, France
V. Voliotis
Affiliation:
GPS Universités Paris VI-VII and Université d'Evry val d'Essonne, France
M. Dib
Affiliation:
GPS Universités Paris VI-VII and Université d'Evry val d'Essonne, France
T. Gacoin
Affiliation:
LPMC, Ecole Polytechnique, Palaiseau, France
C. Delerue
Affiliation:
IEMN, Dept ISEN, Villeneuve d'Ascq, France
G. Allan
Affiliation:
IEMN, Dept ISEN, Villeneuve d'Ascq, France
M. Lannoo
Affiliation:
IEMN, Dept ISEN, Villeneuve d'Ascq, France
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Abstract

We study theoretically and experimentally the effects of the Coulomb and the spin-orbit coupling on the electronic structure of small quantum dots. A tight-binding calculation with restricted configuration interaction is developed in a typical case: very small cubic quantum dots for which the electron-hole exchange interaction is of the order of magnitude of the spinorbit interaction. Experimentally, resonant photoluminescence and photoluminescence excitation are used to obtain information on a single size of CdS quantum dot obtained by a chemical growth method.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 571: Symposium W – Semiconductor Quantum Dots , 1999 , 57
Copyright
Copyright © Materials Research Society 2000

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References

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