Abstract
We report the preparation of ceramic samples of (1 − x)BiScO3 · xPbTiO3 · yMO z (M = Mn, Ni; 0.63 ≤ x ≤ 0.65; 0 ≤ y < 0.02) solid solutions with a tetragonally distorted perovskite structure, X-ray diffraction characterization of the solid solutions, and their dielectric, piezoelectric, and pyroelectric properties. We present data on the symmetry and unit-cell parameters of the solid solutions, characteristics of their dielectric hysteresis loops, and the temperature dependences of their relative dielectric permittivity ɛ, dielectric loss tangent tan δ, piezoelectric charge coefficient d 33, and pyroelectric coefficient p σ in the range 290–800 K. After poling, the ceramics possessed well-defined piezo- and pyroelectric properties, with characteristic 290-K d 33 and p σ values of 300 pC/N and 15 nC/(cm2 K), respectively.
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Original Russian Text © M.A. Bekhtin, A.A. Bush, A.G. Segalla, 2014, published in Neorganicheskie Materialy, 2014, Vol. 50, No. 1, pp. 104–110.
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Bekhtin, M.A., Bush, A.A. & Segalla, A.G. Preparation and electrical properties of (1 − x)BiScO3 · xPbTiO3 ceramics with MnO2 and Ni2O3 additions. Inorg Mater 50, 95–100 (2014). https://doi.org/10.1134/S0020168514010026
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DOI: https://doi.org/10.1134/S0020168514010026