Synthesis of crystalline YCoO_3 perovskite via sol-gel method

O.S. Buassi-Monroy; C.C. Luhrs; A. Chavez-Chavez

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Synthesis of crystalline YCoO_3 perovskite via sol-gel method

机译：溶胶-凝胶法合成晶体YCoO_3钙钛矿

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Single-phase YCoO_(3-delta) powders were prepared from nitrates precursors. Aqueous solutions containing stoichiometric amounts of cobalt and yttrium ions were heat dried, and further thermal decomposition in air was performed, at temperatures ranging from 90 to 900 deg C. X-ray powder diffraction was used to investigate the formation of the oxide. Thermal gravimetric analysis was made up to 1350 deg C in air. A single-phase powder having the perovskite structure was synthesized at 900 deg C. SEM and TEM were used to analyze the powder microstructure, showing micron-sized particles which are indeed formed by the agglomeration of nanoparticles.

机译：由硝酸盐前体制备单相YCoO_（3-δ）粉末。将包含化学计量的钴和钇离子的水溶液加热干燥，并在90至900摄氏度的温度下在空气中进行进一步热分解。使用X射线粉末衍射研究氧化物的形成。空气中的重量分析热分析温度高达1350℃。在900℃下合成具有钙钛矿结构的单相粉末。使用SEM和TEM分析粉末的微观结构，显示出确实由纳米颗粒的团聚形成的微米级颗粒。

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来源
《Materials Letters》 |2004年第5期|p.716-718|共3页
作者
O.S. Buassi-Monroy; C.C. Luhrs; A. Chavez-Chavez;
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作者单位

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
YCoO_3; Rare earth; Sol-gel preparation; Perovskite; Microstructure;

机译：YCoO_3;稀土;溶胶凝胶法制备;钙钛矿;微观结构;

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Synthesis of crystalline YCoO_3 perovskite via sol-gel method

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