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Effect of impurities on the electrical properties of the defect perovskite Li0.33La0.57TiO3

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Abstract

A perovskite phase with the composition Li0.33La0.57TiO3 modified with up to 7 wt % Bi2O3, SiO2, Li3PO4, or Li3BO3 has been prepared by solid-state reactions. The samples in the LLTO–Li3PO4, LLTO–Bi2O3, and LLTO–SiO2 systems were single-phase over the entire composition range studied. In the LLTO–Li3BO3 system, increasing the lithium borate concentration causes a transition from a defect perovskite structure to the layered perovskite-related structure of Li2La2Ti3O10. The addition of Bi2O3 and Li3PO4 has been shown to increase the total conductivity of the ceramics by almost one order of magnitude. Li3BO3, Li3PO4, Bi2O3, and SiO2 additives improve the sintering behavior of the Li0.33La0.57TiO3 ceramics.

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Authors and Affiliations

  1. Vernadsky Institute of General and Inorganic Chemistry, National Academy of Sciences of Ukraine, pr. Akademika Palladina 32/34, Kyiv, 03680, Ukraine

    B. A. Lineva, S. D. Kobylyanskaya, L. L. Kovalenko, O. I. V’yunov & A. G. Belous

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  1. B. A. Lineva
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  2. S. D. Kobylyanskaya
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  3. L. L. Kovalenko
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  4. O. I. V’yunov
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  5. A. G. Belous
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Correspondence to B. A. Lineva.

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Original Russian Text © B.A. Lineva, S.D. Kobylyanskaya, L.L. Kovalenko, O.I. V’yunov, A.G. Belous, 2017, published in Neorganicheskie Materialy, 2017, Vol. 53, No. 3, pp. 315–321.

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Lineva, B.A., Kobylyanskaya, S.D., Kovalenko, L.L. et al. Effect of impurities on the electrical properties of the defect perovskite Li0.33La0.57TiO3 . Inorg Mater 53, 326–332 (2017). https://doi.org/10.1134/S0020168517030074

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  • DOI: https://doi.org/10.1134/S0020168517030074

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