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Preparation and properties of ceramics based on (Na0.5Bi0.5)1 − x A x TiO3 (A = Sr, Cd) solid solutions

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Abstract

This paper describes the preparation and properties of (Na0.5Bi0.5)1 − x A x TiO3 (A = Sr, Cd) lead-free ferroelectric ceramics. The (0.63–0.66)Na0.5Bi0.5TiO3 · (0.37–0.34)Sr0.7Bi0.2TiO3 ceramics are shown to have the best dielectric and piezoelectric properties: tanδ = 0.013–0.009, ɛRT = 1200–1500, d 31 = (370–400) × 10−12 C/N, and k ρ = 0.4–0.58. The cadmium-containing ceramics offer low dielectric losses and high dielectric permittivity at room temperature.

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Authors and Affiliations

  1. Scientific-Practical Materials Research Centre, Belarussian Academy of Sciences, ul. Brovki 17a, Minsk, 220072, Belarus

    A. I. Akimov, G. K. Savchuk & A. K. Letko

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  1. A. I. Akimov
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  2. G. K. Savchuk
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  3. A. K. Letko
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Correspondence to A. I. Akimov.

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Original Russian Text © A.I. Akimov, G.K. Savchuk, A.K. Letko, 2011, published in Neorganicheskie Materialy, 2011, Vol. 47, No. 11, pp. 1346–1351.

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Akimov, A.I., Savchuk, G.K. & Letko, A.K. Preparation and properties of ceramics based on (Na0.5Bi0.5)1 − x A x TiO3 (A = Sr, Cd) solid solutions. Inorg Mater 47, 1227–1232 (2011). https://doi.org/10.1134/S0020168511100013

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  • DOI: https://doi.org/10.1134/S0020168511100013

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