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2013 | 124 | 5 | 785-787
Article title

Intershell Exchange Interaction in Charged GaAlAs Quantum Dots

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EN
Abstracts
EN
Optical anisotropy of charged excitons and biexcitons related to the single-particle s- and p-shell emission in GaAlAs/AlAs quantum dots is investigated. The polarization-dependence and time-resolved micro-photoluminescence measurements were performed. Cross-correlation measurements were used to identify the ladder of excitonic states and allowed us to show two cascade pathways, including the spin singlet and triplet states of charged excitons and biexcitons. The fine structure of the studied states is described and analysed in terms of electron-electron, hole-hole, and electron-hole exchange interactions.
Keywords
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Year
Volume
124
Issue
5
Pages
785-787
Physical description
Dates
published
2013-11
Contributors
author
  • Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, 00-681 Warszawa, Poland
  • Laboratoire National des Champs Magnétiques Intenses, CNRS-UJF-UPS-INSA 25, av. des Martyrs, 38042 Grenoble, France
author
  • Laboratoire National des Champs Magnétiques Intenses, CNRS-UJF-UPS-INSA 25, av. des Martyrs, 38042 Grenoble, France
author
  • Laboratoire National des Champs Magnétiques Intenses, CNRS-UJF-UPS-INSA 25, av. des Martyrs, 38042 Grenoble, France
author
  • Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, 00-681 Warszawa, Poland
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv124n508kz
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