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High surface area nano-sized La0.6Ca0.4MnO3 perovskite powder prepared by low temperature pyrolysis of a modified citrate gel

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Central European Journal of Chemistry

Abstract

Single phase nanocrystalline La0.6Ca0.4MnO3 powder was synthesized by both the usual and a modified citrate gel precursor method, and the effects on the formation of homogeneous nano-sized powder with a perovskite structure were investigated. In the modified method, single phase La0.6Ca0.4MnO3 powder with an average particle size of 17.2 nm was obtained when the powder was pyrolyzed at 520°C for 2 h. Its specific surface area was 40.7 m2 g−1, about 4-fold larger than that of powder made by the usual citrate gel method.

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Authors and Affiliations

  1. Department of Chemical Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran

    Meysam Soleymani & Ahmad Moheb

  2. Chemical Engineering Group, Faculty of Engineering, Arak University, Arak, 38139, Iran

    Ezatolah Joudaki

Authors
  1. Meysam Soleymani
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  2. Ahmad Moheb
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  3. Ezatolah Joudaki
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Correspondence to Ahmad Moheb.

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Soleymani, M., Moheb, A. & Joudaki, E. High surface area nano-sized La0.6Ca0.4MnO3 perovskite powder prepared by low temperature pyrolysis of a modified citrate gel. cent.eur.j.chem. 7, 809–817 (2009). https://doi.org/10.2478/s11532-009-0083-2

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  • DOI: https://doi.org/10.2478/s11532-009-0083-2

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