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Citrate-Nitrate Synthesis and the Electrophysical Properties of Ceramics in the K2O–TiO2–Fe2O3 System

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Abstract

This paper presents a study of the electrically conductive properties of ceramics based on phases crystallizing in the K2O–Fe2O3–TiO2 system, when using for their synthesis the method of pyrolysis of citrate-nitrate compositions. Both single-phase titanates and their mixtures are obtained. This paper presents studies of the morphology and structure of the compounds obtained. The value of their electrical conductivity is measured in the temperature range 150–700°C. It is found that the phase with the lepidocrocite structure exhibits the highest conductivity among the considered compositions in the entire temperature range (Eact. = 0.415 eV).

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Funding

This study was carried out with the financial support of the Russian Foundation for Basic Research as part of scientific project no. 19-33-90108 “Graduate students” and with the partial support of the Ministry of Education and Science of the Russian Federation as part of a state assignment of the Institute of Silicate Chemistry, Russian Academy of Sciences (topic no. АААА-А19-119022290092-5).

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  1. Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences, 199034, St. Petersburg, Russia

    N. A. Morozov, O. Yu. Sinelshchikova, N. V. Besprozvannykh & V. L. Ugolkov

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  1. N. A. Morozov
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  2. O. Yu. Sinelshchikova
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  3. N. V. Besprozvannykh
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  4. V. L. Ugolkov
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Correspondence to N. A. Morozov or O. Yu. Sinelshchikova.

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Morozov, N.A., Sinelshchikova, O.Y., Besprozvannykh, N.V. et al. Citrate-Nitrate Synthesis and the Electrophysical Properties of Ceramics in the K2O–TiO2–Fe2O3 System. Glass Phys Chem 47, 481–488 (2021). https://doi.org/10.1134/S1087659621050114

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  • DOI: https://doi.org/10.1134/S1087659621050114

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