- Synthesis and Characterization of Y-doped SrTiO3 Powder by Pechini Method
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Mi-Young Yoon, R.H. Song, D.R. Shin, Hae-Jin Hwang
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J Korean Powder Metall Inst. 2010;17(1):59-64.
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DOI: https://doi.org/10.4150/KPMI.2010.17.1.059
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- 8 mol% Y-doped SrTiO_3 powder was synthesized by Pechini method from titanium isopropoxide, strontium nitrate, yttrium nitrate, citric acid and ethylene glycol. A Y_2Ti_2O_7 pyrochlore phase-free perovskite powder was obtained by calcining a polymeric resin, which was prepared from a precursor solution, at 500°C in an air atmosphere. Low temperature calcination could lead to a fine-grained microstructure. In the case of a solid-state reaction, an extended heat-treatment at high temperature in a reduced atmosphere needed to obtain a single phase perovskite SrTiO_3.
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Citations
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