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Free-carriers beat excitons in spin-injection contest
Linköping University, Department of Physics, Chemistry and Biology, Functional Electronic Materials. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Functional Electronic Materials. Linköping University, The Institute of Technology.ORCID iD: 0000-0001-7155-7103
Department of Electrical and Computer Engineering, University of California at San Diego, La Jolla, USA.
Department of Electrical and Computer Engineering, University of California at San Diego, La Jolla, USA.
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2009 (English)Other (Other (popular science, discussion, etc.))
Abstract [en]

Quantum dots (QDs) are a promising building block for future spin-functional devices with applications in spintronics and quantum information processing. Essential to the success of these devices is the ability to create a desired spin orientation of charge carriers (electrons and holes) in QDs via the injection of spin-polarized carriers. Researchers have now shown that this can be done most efficiently using independent (free) carriers rather than electron-hole pairs (excitons).

Place, publisher, year, pages
2009.
National Category
Condensed Matter Physics
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URN: urn:nbn:se:liu:diva-20829OAI: oai:DiVA.org:liu-20829DiVA: diva2:236442
Available from: 2009-09-23 Created: 2009-09-23 Last updated: 2017-03-27

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Beyer, JanBuyanova, IrinaChen, Weimin

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