Abstract
(Ba0.85Ca0.15)(Zr0.1Ti0.9)O3 (BCZT) powder was synthesized by a solid-state reaction method, then the ceramics were fabricated by gel-casting and die-pressing routes, respectively. Piezoelectric coefficient (d 33 ) was measured by the d 33 m; Planar mode electromechanical coupling coefficient (k p ), dielectric loss (tanδ) and relative permittivity (ε r ) were measured by the impedance analyzer. Results of measurements showed that in the range of tested sintering temperature (1300–1500°C), gel-casting samples showed better piezoelectric and electromechanical coupling coefficients (d 33 = 395 pC/N, k p = 0.44) compared with die-pressing samples, and comparable dielectric properties were also observed. (tanδ = 0.037, ε r = 3267).
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Xiong, W. (Ba0.85Ca0.15)(Zr0.1Ti0.9)O3 Ceramics Synthesized by a Gel-Casting Method. J. Electron. Mater. 45, 4005–4009 (2016). https://doi.org/10.1007/s11664-016-4623-1
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DOI: https://doi.org/10.1007/s11664-016-4623-1