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Density-dependent d...
Density-dependent dynamics of exciton magnetic polarons in ZnMnSe/ZnSSe type-II quantum wells
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- Toropov, A.A. (författare)
- Ioffe Physico-Technical Institute, Russian Academy of Sciences, St. Petersburg, Russia
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- Terent'ev, Ya.V. (författare)
- Ioffe Physico-Technical Institute, Russian Academy of Sciences, St. Petersburg, Russia
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- Sorokin, S.V. (författare)
- Ioffe Physico-Technical Institute, Russian Academy of Sciences, St. Petersburg, Russia
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- Ivanov, S.V. (författare)
- Ioffe Physico-Technical Institute, Russian Academy of Sciences, St. Petersburg, Russia
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- Koyama, T. (författare)
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai , Japan
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- Nishibayashi, K. (författare)
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai , Japan
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- Murayama, A. (författare)
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai , Japan
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- Oka, Y. (författare)
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai , Japan
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- Bergman, Peder, 1961- (författare)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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- Buyanova, Irina, 1960- (författare)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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- Chen, Weimin, 1959- (författare)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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- Monemar, Bo, 1942- (författare)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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Ioffe Physico-Technical Institute, Russian Academy of Sciences, St Petersburg, Russia Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai , Japan (creator_code:org_t)
- APS, 2006
- 2006
- Engelska.
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Ingår i: Physical Review B. Condensed Matter and Materials Physics. - : APS. - 1098-0121 .- 1550-235X. ; 73:24, s. 245335-
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- We report on time-resolved photoluminescence studies of exciton dynamics in a ZnMnSe/ZnSSe type-II quantum well. Strong separation of the electrons, confined to the nonmagnetic semiconductor ZnSSe, and holes, confined to the diluted magnetic semiconductor ZnMnSe, results in an exciton lifetime exceeding 3 ns. Two excitonic emission lines are observed in this structure at low temperatures. The lower-energy line was associated with the formation of an exciton magnetic polaron (EMP), whereas the higher-energy line was attributed to the emission of nonmagnetically localized excitons. The intensity of the EMP line was found to saturate at a relatively low density of photoexcited carriers well below the exciton Mott density. This behavior evidences a limited density of sites where the hole localization radius is small enough to ensure the fast formation of EMP's with a noticeable binding energy. © 2006 The American Physical Society.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- NATURAL SCIENCES
- NATURVETENSKAP
- Semiconductor physics
- Halvledarfysik
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Toropov, A.A.
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Terent'ev, Ya.V.
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Sorokin, S.V.
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Ivanov, S.V.
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Koyama, T.
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Nishibayashi, K.
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Murayama, A.
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Oka, Y.
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Bergman, Peder, ...
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Buyanova, Irina, ...
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Chen, Weimin, 19 ...
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Monemar, Bo, 194 ...
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Linköpings universitet