Optical orientation of donor-bound excitons in nanosized InP/InGaP islands |
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| Authors: | R I Dzhioev B P Zakharchenya V L Korenev P E Pak D A Vinokurov O V Kovalenkov I S Tarasov |
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| Institution: | (1) A. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, 194021 St. Petersburg, Russia |
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| Abstract: | Spin splitting of optically active and inactive excitons in nanosized n-InP/InGaP islands has been revealed. Optically inactive states become manifest in polarized-luminescence spectra as a result
of excitons being bound to neutral donors (or of the formation of the trion, a negatively charged exciton) in InP islands.
The exchange-splitting energies of the optically active and inactive states have been determined.
Fiz. Tverd. Tela (St. Petersburg) 40, 1745–1752 (September 1998) |
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