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- W2025024863 abstract "Photoluminescence properties of Er-doped nanocrystalline Si/ Si0<sub>2</sub> structures have been investigated under strong optical excitation. The energy of optical excitation of Si nanocrystals was shown to be almost completely transferred to Er<sup>3+</sup> ions in surrounding Si0<sub>2</sub>. It was found that at high pump intensity the energy transfer process competes successfully with nonradiative Auger-recombination in Si nanocrystals. At high excitation level the population inversion of Er<sup>3+</sup> ions was achieved and a decrease of the decay time of the photoluminescence at 1.5 μm was observed. Possible mechanisms of the shortening of the Er<sup>3+</sup> ion lifetime are discussed." @default.
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- W2025024863 date "2005-06-07" @default.
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- W2025024863 title "<title>Light emission from erbium-doped nanocrystalline silicon/silicon dioxide layers under strong optical excitation</title>" @default.
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- W2025024863 doi "https://doi.org/10.1117/12.633527" @default.
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