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Carrier diffusion in the barrier enabling formation of charged excitons in InAs/GaAs quantum dots
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials.ORCID iD: 0000-0002-4547-6673
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology.
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.
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2001 (English)In: XXX International School on the Physics of Semiconducting Compounds,2001, Polish Academy of Sciences, Institute of Physics , 2001, Vol. 100, 387-395 p.Conference paper, Published paper (Refereed)
Abstract [en]

It is demonstrated that the photoluminescence spectra of single self-assembled quantum dots are very sensitive to the experimental conditions, such as excitation energy and crystal temperature. A qualitative explanation is given in terms of the effective diffusion of the photogenerated carriers, determined by the experimental conditions, which influence the capture probability and hence also the charge state of the quantum dots. This is proposed as a new tool to populate quantum dots with extra electrons in order to study phenomena involving charged excitons.

Place, publisher, year, edition, pages
Polish Academy of Sciences, Institute of Physics , 2001. Vol. 100, 387-395 p.
Series
Acta Physica Polonica A, ISSN 0587-4246 (print), 1898-794X (online) ; 3
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-44054Local ID: 75490OAI: oai:DiVA.org:liu-44054DiVA: diva2:264915
Conference
XXX International School on the Physics of Semiconducting Compounds, 1-8 June 2001, Jaszowiec, Poland
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2015-06-02

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Karlsson, FredrikMoskalenko, EvgenyHoltz, Per-OlofMonemar, Bo

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Karlsson, FredrikMoskalenko, EvgenyHoltz, Per-OlofMonemar, Bo
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The Institute of TechnologySemiconductor MaterialsDepartment of Physics, Chemistry and Biology
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