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  • Title: Fabrication and luminescence properties of Nd3+:Y2O3 transparent ceramics.
    Author: Luo JM, Deng LP.
    Journal: J Nanosci Nanotechnol; 2010 Mar; 10(3):1924-7. PubMed ID: 20355601.
    Abstract:
    Y2O3 nanoparticles doped with different concentrations of Nd3+ were prepared by the coprecipitation method, and the Nd3+:Y2O3 transparent ceramics were fabricated by vacuum sintering at 1700 degrees C, under 1 x 10(-3) Pa for 6 h. The structural, morphological, and luminescence properties of the samples were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM) and fluorescence analysis. The results show that the Nd3+:Y2O3 nanoparticles are homogeneous in size and nearly spherical, and the average diameter of the particles is in the range of 40-60 nm. There are no other phases except the Y2O3 cubic phase in the Nd3+:Y2O3 nanoparticles and transparent ceramics. Nd3+ dissolves completely in the Y2O3 cubic phase. The relative density of Nd3+:Y2O3 transparent ceramics is 99.7%, and the transmittance of the Nd3+:Y2O3 transparent ceramics exceeds 80% at the wavelength range.
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