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Optical spectroscopy on individual CdSe/ZnMnSe quantum dots (2001)

Bacher, G. ; Schömig, H. ; Welsch, M. K. ; [et al.]

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 79 (2001), S. 524-526

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: Optical single dot studies in wide-band gap diluted magnetic CdSe/ZnMnSe quantum dots have been performed. Due to the sample design, the photoluminescence energy of the quantum dot signal is energetically below the internal Mn2+ transition, resulting in high quantum efficiencies comparable to nonmagnetic CdSe/ZnSe quantum dots. Magnetic-field- and temperature-dependent measurements on individual dots clearly demonstrate the exchange interaction between single excitons and individual Mn2+ ions, resulting in a giant Zeeman effect and a formation of quasi-zero-dimensional magnetic polarons. © 2001 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1387256

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