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Synthesis of BaTiO3 powder from barium titanyl oxalate (BTO) precursor employing microwave heating technique

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Abstract

Cubic barium titanate (BaTiO3) powder was synthesized by heating barium titanyl oxalate hydrate, BaTiO(C2O4)2·4H2O (BTO) precursor in microwave heating system in air at 500°C. Heating BTO in micro-wave above 600°C yielded tetragonal form of BaTiO3. Experiments repeated in silicon carbide furnace showed that BaTiO3 was formed only above 700°C. The product obtained was cubic.

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Authors and Affiliations

  1. Department of Chemistry, The Institute of Science, 15, Madam Cama Road, 400 032, Mumbai, India

    Y. S. Malghe, A. V. Gurjar & S. R. Dharwadkar

  2. Condensed Matter Physics and Materials Science Division, Tata Institute of Fundamental Research, 400 005, Mumbai, India

    A. V. Gurjar

Authors
  1. Y. S. Malghe
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  2. A. V. Gurjar
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  3. S. R. Dharwadkar
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Malghe, Y.S., Gurjar, A.V. & Dharwadkar, S.R. Synthesis of BaTiO3 powder from barium titanyl oxalate (BTO) precursor employing microwave heating technique. Bull Mater Sci 27, 217–220 (2004). https://doi.org/10.1007/BF02708508

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  • DOI: https://doi.org/10.1007/BF02708508

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