Perovskite-Like Strontium Titanium Zirconium Oxide Solid Solutions Prepared at Atmospheric Pressure
Bulletin of The Korean Chemical Society(1985)
摘要
Perovskite type oxides of have been systematically synthesized at and with specimens containing additions of up to x=0.9 of zirconium by solid state reactions and characterized by X-ray diffraction. X-ray diffraction studies showed that the compound has cubic structure. The lattice paramters of solid solutions obey the Vegard's law and fairly large increase in volume can acompany the formation of this solution with increasing Zr content(X). Assuming the lattice constants of perovskite type compounds where is , to be a linear function of the ionic radii of B and B' ions, the disordered ion pair of and was verified from the lattice constants of a series compounds varying x=0,0.05, 0.25, 0.5, 0.75, 0.9, and 1.0 with known isovalent pairs.
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关键词
strontium,oxide,perovskite-like
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