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Vol. 27 No. 5 (2015): Vol 27 Issue 5

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Synthesis and Properties of Nano-Perovskite Mg0.5Nd0.5CoO3 by Co-Precipitation Technique

https://doi.org/10.14233/ajchem.2015.18336
Zhongzheng Yang
Provincial Key Materials Lab, North China University of Water Resources and Electric Power, Zhengzhou 450011, P.R. China
Shunbo Zhao
Provincial Key Materials Lab, North China University of Water Resources and Electric Power, Zhengzhou 450011, P.R. China
C.P. Wong
School of Materials Science and Engineering, Georgia Institute of Technology, 30324, Atlanta, U.S.A.
Liang Yan
Provincial Key Materials Lab, North China University of Water Resources and Electric Power, Zhengzhou 450011, P.R. China

Corresponding Author(s) : Zhongzheng Yang

yangzz01@163.com

Asian Journal of Chemistry, Vol. 27 No. 5 (2015): Vol 27 Issue 5

Abstract

The nano-perovskite Mg0.5Nd0.5CoO3 was prepared by co-precipitation technique using Nd(NO3)3·6H2O, Mg(NO3)2·6H2O and Co(NO3)3·6H2O as main raw materials and the effects of calcination temperatures on the lattice parameters, particle sizes and micro stress of the perovskite were studied by X-ray diffraction and transmission electron microscopy. The results show that the Mg0.5Nd0.5CoO3 have formed after calcination at 700 °C and the finishing temperatures of synthesizing perovskites is at 800 °C. After calcination at 800 °C, the lattice parameter of the perovskites Mg0.5Nd0.5CoO3 is 7.54367 Å and the average sizes is 17.5 nm. The lattice parameter and the average sizes of the perovskite have declining trends with increasing temperatures, but the average sizes of the perovskite maintain almost unchanged with increasing temperatures and there is no micro stress in the perovskite. The average lattice parameters of the perovskite Mg0.5Nd0.5CoO3 is lower than the lattice parameter of the perovskite NdCoO3.

Keywords

Perovskite Nanoparticles Co-precipitation X-ray diffraction
Yang, Z., Zhao, S., Wong, C., & Yan, L. (2015). Synthesis and Properties of Nano-Perovskite Mg0.5Nd0.5CoO3 by Co-Precipitation Technique. Asian Journal of Chemistry, 27(5), 1865–1867. https://doi.org/10.14233/ajchem.2015.18336
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