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Magnetic field enabled charge state control of single InAs/GaAs quantum dots
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, The Institute of Technology.
Physical-Technical Institute, Russian Academy of Sciences, St. Petersburg, Russian Federation.
2009 (English)In: 2009 9th IEEE Conference on Nanotechnology, IEEE NANO 2009, 2009, 510-512 p.Conference paper, Published paper (Refereed)
Abstract [en]

Micro-photoluminescence in the presence of an external magnetic field is employed to study individual InAs/GaAs quantum dots (QDs). By varying the strength of the applied magnetic field, the charge state of the QD is tuned from a double negatively charged exciton to a neutral exciton. This effect is shown to be related to carrier transport in the QD-plane prior to capture into the QD. The temperature dependence of the tuning effect is discussed. © 2009 IEEE NANO Organizers.

Place, publisher, year, edition, pages
2009. 510-512 p.
Keyword [en]
Faraday; Magnetic field; Photoluminescence; Quantum dot; Transport; Voigt
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-57052OAI: oai:DiVA.org:liu-57052DiVA: diva2:323658
Available from: 2010-06-11 Created: 2010-06-09 Last updated: 2011-01-27

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Larsson, ArvidLarsson, MatsHoltz, Per-Olof

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