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Interaction of microwave heated hot carriers with recombination centers
Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland Ecole Polytech Fed Lausanne, EURATOM Assoc Confederat Suisse, Ctr Rech Phys Plasmas, CH-1015 Lausanne, Switzerland Inst Semicond Phys, LT-2600 Vilnius, Lithuania Linkoping Univ, Dept Phys Meas Technol, S-58183 Linkoping, Sweden.
Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland Ecole Polytech Fed Lausanne, EURATOM Assoc Confederat Suisse, Ctr Rech Phys Plasmas, CH-1015 Lausanne, Switzerland Inst Semicond Phys, LT-2600 Vilnius, Lithuania Linkoping Univ, Dept Phys Meas Technol, S-58183 Linkoping, Sweden.
Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland Ecole Polytech Fed Lausanne, EURATOM Assoc Confederat Suisse, Ctr Rech Phys Plasmas, CH-1015 Lausanne, Switzerland Inst Semicond Phys, LT-2600 Vilnius, Lithuania Linkoping Univ, Dept Phys Meas Technol, S-58183 Linkoping, Sweden.
Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland Ecole Polytech Fed Lausanne, EURATOM Assoc Confederat Suisse, Ctr Rech Phys Plasmas, CH-1015 Lausanne, Switzerland Inst Semicond Phys, LT-2600 Vilnius, Lithuania Linkoping Univ, Dept Phys Meas Technol, S-58183 Linkoping, Sweden.
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2002 (English)In: Materials Science Forum, Vols. 389-393, 2002, Vol. 384-3, 19-26 p.Conference paper, Published paper (Refereed)
Abstract [en]

We describe application of the technique of optically detected cyclotron resonance (ODCR) to the studies of exciton properties in quantum well structures of CdTe/CdMnTe in the limit of strong localization effects. Microwave-heated free carriers, at cyclotron resonance conditions, can site- or impurity-delocalise excitons, resulting in a strong modification of a low temperature photoluminescence. In consequence, the ODCR allows to study processes of carrier/exciton localization. We show that localization effects are very strong in quantum well structures of CdTe/CdMnTe with large Mn fractions in the CdMnTe barriers.

Place, publisher, year, edition, pages
2002. Vol. 384-3, 19-26 p.
Keyword [en]
cyclotron resonance, optical detection of cyclotron resonance, hot carriers, II-VI semiconductors, quantum well structures, localized excitons
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-48929OAI: oai:DiVA.org:liu-48929DiVA: diva2:269825
Conference
ICSCRM2001
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2010-12-08

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Bergman, PederMonemar, Bo

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