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Combustion of nitrate-citrate gel was employed to prepare REFeO 3 (RE=Y, La and Gd) nanocrystalline powders. The samples were characterized with X-ray diffraction (XRD) analysis, thermal analysis (TG/DTA) and transmission electron microscopy (TEM). LaFeO 3 crystallites were directly obtained by the sol-gel combustion process, and orthorhombic YFeO 3 and GdFeO 3 were...
We reported the development of a Φ100 cm growth apparatus for skull melting growth of yttria-stabilized cubic zirconia (YSZ) crystals and more than 1000 kg crystals have been grown in the furnace each time. The growth conditions were optimized and the structure of the as-grown crystals was characterized by X-ray diffraction. The transmittance of 15 mol.% yttria-stabilized cubic zirconia crystal was...
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