Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Synthesis and Characterization of Y-doped SrTiO3 Powder by Pechini Method

Pechini법에 의한 Y-doped SrTiO3 분말의 합성

  • Yoon, Mi-Young (School of Materials Science and Engineering, Inha University) ;
  • Song, R.H. (Korea Institute of Energy Research) ;
  • Shin, D.R. (Korea Institute of Energy Research) ;
  • Hwang, Hae-Jin (School of Materials Science and Engineering, Inha University)
  • Published : 2010.02.28
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Abstract

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 $500^{\circ}C$ 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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