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- Pechini법에 의한 Y-doped SrTiO3 분말의 합성
- 윤미영, 송락현, 신동열, 황해진
- Synthesis and Characterization of Y-doped SrTiO3 Powder by Pechini Method
- Mi-Young Yoon, R.H. Song, D.R. Shin, Hae-Jin Hwang
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Journal of Korean Powder Metallurgy Institute 2010;17(1):59-64
DOI: https://doi.org/10.4150/KPMI.2010.17.1.059
1인하대학교 세라믹공학과
2한국에너지기술연구원
3한국에너지기술연구원
4인하대학교 세라믹공학과
1School of Materials Science and Engineering, Inha University
2Korea Institute of Energy Research
3Korea Institute of Energy Research
4School of Materials Science and Engineering, Inha University
2한국에너지기술연구원
3한국에너지기술연구원
4인하대학교 세라믹공학과
1School of Materials Science and Engineering, Inha University
2Korea Institute of Energy Research
3Korea Institute of Energy Research
4School of Materials Science and Engineering, Inha University
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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°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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