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Dielectric properties and electrical conductivity of Li x Na1−x Ta0.1Nb0.9O3 ferroelectric solid solutions

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Abstract

We have studied the dielectric properties and electrical conductivity of Li x Na1 − x Ta0.1Nb0.9O3 (x = 0.03−0.135) ferroelectric solid solutions at temperatures from 290 to 700 K and frequencies from 25 to 106 Hz. The results demonstrate that charge transport in these materials is due to the Li+ ion and that their conductivity is dominated by volume ion transport. In the temperature range studied, the Li x Na1 − x Ta0.1Nb0.9O3 solid solutions undergo a first-order ferroelectric phase transition close to second order. Increasing the lithium content enhances features characteristic of second-order transitions.

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Authors and Affiliations

  1. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Scientific Center, Russian Academy of Sciences, ul. Fersmana 26a, Apatity, Murmansk oblast, 184209, Russia

    M. N. Palatnikov, V. V. Efremov & N. V. Sidorov

  2. Ivanovo State University, ul. Ermaka 39, Ivanovo, 153025, Russia

    V. A. Sandler

Authors
  1. M. N. Palatnikov
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  2. V. A. Sandler
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  3. V. V. Efremov
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  4. N. V. Sidorov
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Correspondence to M. N. Palatnikov.

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Original Russian Text © M.N. Palatnikov, V.A. Sandler, V.V. Efremov, N.V. Sidorov, 2011, published in Neorganicheskie Materialy, 2011, Vol. 47, No. 1, pp. 61–68.

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Palatnikov, M.N., Sandler, V.A., Efremov, V.V. et al. Dielectric properties and electrical conductivity of Li x Na1−x Ta0.1Nb0.9O3 ferroelectric solid solutions. Inorg Mater 47, 55–62 (2011). https://doi.org/10.1134/S0020168511010092

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  • DOI: https://doi.org/10.1134/S0020168511010092

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