Fabrication and Luminescence Properties of Nd3+:Y2O3 Transparent Ceramics
Y2O3 nanoparticles doped with different concentrations of Nd3+ were prepared by the co-precipitation method, and the Nd3+:Y2O3 transparent ceramics were fabricated by vacuum sintering at 1700 °C, under 1 × 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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Document Type: Research Article
Publication date: 2010-03-01
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