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Rare-Earth-Doped Bifunctional Alkaline-Earth Metal Fluoride Nanocrystals via a Facile Microwave-Assisted Process

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journal contribution
posted on 20.06.2011, 00:00 by Min Pang, Dapeng Liu, Yongqian Lei, Shuyan Song, Jing Feng, Weiqiang Fan, Hongjie Zhang
Rare-earth-doped magnetic–optic bifunctional alkaline-earth metal fluoride nanocrystals have been successfully synthesized via a facile microwave-assisted process. The as-prepared nanocrystals were monodisperse and could form stable colloidal solutions in polar solvents, such as water and ethanol. They show bright-green fluorescence emisson. Furthermore, Gd3+-doped ones exhibit paramagnetic behavior at room temperature and superparamagnetic behavior at 2 K.