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		题名	作者	年代	出处	被引量
	1	Synthesis of La^(3+) and Nd^(3+) co-doped yttria nanopowder for transparent ceramics by oxalate precipitation method显示文摘Polycrystalline Nd3+ and La3+ co-doped yttria nanopowder Nd3+:Y1.90La0.10O3 for transparent ceramics was synthesized by co-precipitation method using oxalate acid as the precipitant and(NH4)2SO4 as the electrical stabilizer under ultrasonic radiation.Nanopowders calcined at different temperatures were characterized with thermal gravimetric-differential thermal analysis(TG/DTA),X-ray diffraction(XRD),transmitting electron microscopy(TEM),energy dispersive spectrometry(EDS) and spectral analysis techniques.The results indicated that nanopowders calcined at 1100 oC for 4 h were 40-70 nm in size with spherical morphology,the powder had the strongest emission peak centered at 1078 nm,corresponding to the transition of 4F3/2→4I11/2 of Nd3+ ion.The highest optical transmittance of the ceramics sintered at 1500 oC for 13 h was about 48% in near IR waveband,and the sintered ceramics had a broad absorption bandwidth of about 12.6 nm at the laser diode(LD) pump wavelength of 808 nm.	王能利张希艳邱关明孙海鹰刘全生米晓云王晓春	2010	Journal of Rare Earths2010，28，2：	4
	2	Fabrication of Transparent Polycrystalline Yttria Ceramics by Combination of SPS and HIP显示文摘Transparent polycrystalline yttria is a promising optical ceramics with excellent physical and chemical properties. A commercial yttria powder with a mean particle size of 1.0 μm and narrow size distribution was selected as the starting material. Transparent polycrystalline yttria ceramics without any additives were successfully prepared by hot isostatic pressing (HIP) at 1700 ℃ for 2 h under the pressure of 200 MPa in Ar following spark plasma sintering (SPS). The as-prepared specimens consist of uniform grains of ~40 μm. Scanning electron microscopy (SEM) images show their pore-free structure. The influences of the yttria powder and sintering process on the properties of the yttria ceramics, including the microstructure and optical properties, were further investigated in our study.	何明生李建保林红郭钢锋梁龙	2006	Journal of Rare Earths2006，24，z2：	3

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