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Spin depolarization in semiconductor spin detectors
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials.ORCID iD: 0000-0002-6405-9509
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials.ORCID iD: 0000-0001-7155-7103
Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan.
Department of Materials Science and Engineering, University of Florida, Gainesville, FL, USA.
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2006 (English)In: Proc. of SPIE Vol. 6118: Ultrafast Phenomena in Semiconductors and Nanostructure Materials X / [ed] K.-T. Tsen, J.-J. Song, H. Jiang, SPIE - International Society for Optical Engineering, 2006, 611804-1-611804-12 p.Conference paper, Published paper (Other academic)
Abstract [en]

A brief review is given of our recent experimental results from in-depth investigations of spin depolarization and underlying physical mechanisms within semiconductor spin detectors based on II-VIs (e.g. Zn(Cd)Se quantum wells) and III-Vs (e.g. InGaN quantum wells), which are relevant to applications for spin-LEDs based on ZnMnSe/Zn(Cd)Se and GaMnN/InGaN structures. By employing cw and time-resolved magneto-optical and optical spin orientation spectroscopy in combination with tunable laser excitation, we show that spin depolarization within these spin detectors is very efficient and is an important factor limiting efficiency of spin detection. Detailed physical mechanisms leading to efficient spin depolarization will be discussed.

Place, publisher, year, edition, pages
SPIE - International Society for Optical Engineering, 2006. 611804-1-611804-12 p.
Series
Proceedings of SPIE - International Society for Optical Engineering, ISSN 0277-786X ; 6118
National Category
Natural Sciences Condensed Matter Physics
Identifiers
URN: urn:nbn:se:liu:diva-38933DOI: 10.1117/12.644601Local ID: 46163OAI: oai:DiVA.org:liu-38933DiVA: diva2:259782
Conference
SPIE Photonic West '06 International Symposium on "Ultrafast Phenomena in Semiconductors and Nanostructures" 2006
Note
Invited talkAvailable from: 2009-10-10 Created: 2009-10-10 Last updated: 2017-03-27

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Chen, WeiminBuyanova, Irina

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