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Effect of Ultrasonic Processing on the Synthesis of Barium Titanyl Oxalate and the Characteristics of the BaTiO3 Powder Prepared from It

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Inorganic Materials Aims and scope

Abstract

Barium titanyl oxalate (BTO) with small deviations from stoichiometry has been synthesized by a chemical and a sonochemical method (under ultrasonication). Ultrasonic processing has been shown to reduce the particle size of the resultant BTO powder by about ten times and ensure a nearly spherical shape of the particles. The morphology of barium titanate powders prepared by decomposing the BTO at a temperature of 900°C is similar to that of the parent BTO and independent of stoichiometry. The powders have a barium to titanium ratio Ba/Ti = 1.002 and 0.987. The barium titanate powders synthesized using the sonochemical method contain a smaller amount of residual phases and have a larger specific surface area, smaller crystallite size (~100 nm), and smaller unit-cell parameters than do the powders prepared without ultrasonication.

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Authors and Affiliations

  1. Institute of Technical Acoustics, Belarussian Academy of Sciences, pr. Lyudnikova 13, Vitebsk, 210023, Belarus

    V. N. Shut, S. E. Mozzharov & V. V. Bobrovskii

  2. Vitebsk State Technological University, Moskovskii pr. 72, Vitebsk, 210038, Belarus

    V. N. Shut

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  1. V. N. Shut
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  2. S. E. Mozzharov
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  3. V. V. Bobrovskii
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Correspondence to V. N. Shut.

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Original Russian Text © V.N. Shut, S.E. Mozzharov, V.V. Bobrovskii, 2018, published in Neorganicheskie Materialy, 2018, Vol. 54, No. 1, pp. 79–84.

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Shut, V.N., Mozzharov, S.E. & Bobrovskii, V.V. Effect of Ultrasonic Processing on the Synthesis of Barium Titanyl Oxalate and the Characteristics of the BaTiO3 Powder Prepared from It. Inorg Mater 54, 72–78 (2018). https://doi.org/10.1134/S0020168518010156

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  • DOI: https://doi.org/10.1134/S0020168518010156

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