Growth and optical properties of Mn-containing II-VI quantum dots

S. Maćkowski, S. Lee, J. K. Furdyna, M. Dobrowolska, G. Prechtl, W. Heiss, J. Kossut, G. Karczewski

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    30 Citations (Scopus)

    Abstract

    Magnetic-ion-containing self-assembled quantum dots based on II-VI semiconductors are investigated by time-resolved optical spectroscopy. It is found that the dynamical properties of excitons confined in quantum dots depend on the relative position of intra-Mn transition with respect to the quantum-dot-related emission. When the intra-Mn transition energy is smaller than the dot emission energy, then the decay time of excitons in quantum dots increases with increasing magnetic field. When the intra-Mn transition energy is larger, no influence of the magnetic field on the recombination dynamics of excitons is found. The first case corresponds to CdMnSe/ZnSe structures, while the second one is observed in CdMnTe/ZnTe magnetic quantum dots.

    Original languageEnglish
    Pages (from-to)469-472
    Number of pages4
    JournalPhysica Status Solidi (B) Basic Research
    Volume229
    Issue number1
    DOIs
    Publication statusPublished - 2002

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

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