Abstract
We have prepared ceramic samples of (1–x)Ba(Ti1–y Zr y )O3 ∙ xPbTiO3, (у = 0–0.10, x = 0–0.67) ferroelectric perovskite solid solutions and characterized them by X-ray diffraction and dielectric and pyroelectric measurements. The composition dependences of the unit-cell parameters for the solid solutions have been obtained; their Curie temperature T C, relative dielectric permittivity ε, and loss tangent tan δ have been measured at temperatures from 100 to 700 K and frequencies from 25 Hz to 1 MHz; and characteristics of their dielectric hysteresis loops and pyroelectric effect have been assessed. With increasing PbTiO3 content, the T C of the samples increases from 400 (x = 0) to 670 K (x = 0.67), the temperatures of their low-temperature phase transitions decrease (to the point that they disappear for x > 0.15), and ε(T = 296 K) decreases at x > 0.1.
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Original Russian Text © A.A. Bush, K.E. Kamentsev, A.V. Stepanov, G.A. Karpunin, K.B. Tatarintsev, 2017, published in Neorganicheskie Materialy, 2017, Vol. 53, No. 3, pp. 307–314.
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Bush, A.A., Kamentsev, K.E., Stepanov, A.V. et al. Electrical properties of ceramic samples of (1–x)Ba(Ti1–y Zr y )O3 ∙ xPbTiO3 solid solutions. Inorg Mater 53, 318–325 (2017). https://doi.org/10.1134/S0020168517030025
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DOI: https://doi.org/10.1134/S0020168517030025