Spin-spin interaction in magnetic semiconductor quantum dots

G. Bacher, H. Schömig, M. Scheibner, A. Forchel, A. A. Maksimov, A. V. Chernenko, P. S. Dorozhkin, V. D. Kulakovskii, T. Kennedy, T. L. Reinecke

Research output: Contribution to journalConference articlepeer-review

22 Citations (Scopus)

Abstract

Self-assembled Cd(Mn)Se/Zn(Mn)Se quantum dots have been investigated by means of spatially and time-resolved magneto-optical spectroscopy. In such quasi zero-dimensional diluted magnetic semiconductors, the exchange interaction couples the spins of optically generated charge carriers with localized magnetic ion spins. We demonstrate that this can be used on the one hand to monitor nanoscale magnetization with a resolution of <100 μB by a purely optical technique and on the other hand to optically manipulate the magnetization in a semiconductor quantum dot.

Original languageEnglish
Pages (from-to)37-44
Number of pages8
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume26
Issue number1-4
DOIs
Publication statusPublished - Feb 2005
Externally publishedYes
EventInternational Conference on Quantum Dots - Banff, Alberta, Canada
Duration: 10 May 200413 May 2004

Keywords

  • Magnetic semiconductor quantum dots
  • Nanoscale magnetization
  • Spin-spin interaction

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