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- W2103222785 abstract "We report electrical control of the spin polarization of InAs/GaAs self-assembled quantum dots (QDs) at room temperature. This is achieved by electrical injection of spin-polarized electrons from an Fe Schottky contact. The circular polarization of the QD electroluminescence shows that a 5% electron spin polarization is obtained in the InAs QDs at 300 K, which is remarkably insensitive to temperature. This is attributed to suppression of the spin relaxation mechanisms in the QDs due to reduced dimensionality. These results demonstrate that practical regimes of spin-based operation are clearly attainable in solid state semiconductor devices." @default.
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- W2103222785 date "2005-03-22" @default.
- W2103222785 modified "2023-09-26" @default.
- W2103222785 title "Electrical spin pumping of quantum dots at room temperature" @default.
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- W2103222785 doi "https://doi.org/10.1063/1.1890469" @default.
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