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

doi:10.1002/1521-3951(200201)229:1<469::AID-PSSB469>3.0.CO;2-X

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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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 language	English
Pages (from-to)	469-472
Number of pages	4
Journal	Physica Status Solidi (B) Basic Research
Volume	229
Issue number	1
DOIs	https://doi.org/10.1002/1521-3951(200201)229:1<469::AID-PSSB469>3.0.CO;2-X
Publication status	Published - 2002

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1002/1521-3951(200201)229:1<469::AID-PSSB469>3.0.CO;2-X

Cite this

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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.",

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T1 - Growth and optical properties of Mn-containing II-VI quantum dots

AU - Maćkowski, S.

AU - Lee, S.

AU - Furdyna, J. K.

AU - Dobrowolska, M.

AU - Prechtl, G.

AU - Heiss, W.

AU - Kossut, J.

AU - Karczewski, G.

PY - 2002

Y1 - 2002

N2 - 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.

AB - 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.

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

Abstract

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