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Ab-initio Characterization of Electronic Properties of PbTe Quantum Dots Embedded in a CdTe Matrix

In: High Performance Computing in Science and Engineering '10

Author

Listed:
  • R. Leitsmann

    (Friedrich-Schiller-Universität Jena, European Theoretical Spectroscopy Facility (ETSF) and Institut für Festkörpertheorie und -optik
    GWT-TUD GmbH)

  • F. Bechstedt

    (Friedrich-Schiller-Universität Jena, European Theoretical Spectroscopy Facility (ETSF) and Institut für Festkörpertheorie und -optik)

Abstract

The electronic properties of embedded PbTe nanocrystals (NCs) are investigated using an ab initio pseudopotential method and a repeated supercell approximation. The occurrence of polar dot matrix interfaces lead to the occurrence of an electrostatic field within the NC region. The consequences of this field on the electronic properties of the dot matrix system will be discussed in detail. The resulting spatial separation of electrons and holes inside the nanocrystal region lead to a quantum confined Stark effect.

Suggested Citation

  • R. Leitsmann & F. Bechstedt, 2011. "Ab-initio Characterization of Electronic Properties of PbTe Quantum Dots Embedded in a CdTe Matrix," Springer Books, in: Wolfgang E. Nagel & Dietmar B. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering '10, pages 135-147, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-15748-6_10
    DOI: 10.1007/978-3-642-15748-6_10
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