Correlation of grain size, phase transition and piezoelectric properties in Ba0.85Ca0.15Ti0.90Zr0.10O3ceramics

H. L. Sun; Q. J. Zheng; Y. Wan; Y. Chen; X. Wu; Kin Wing Kwok; H. L.W. Chan; D. M. Lin

doi:10.1007/s10854-015-3063-7

Correlation of grain size, phase transition and piezoelectric properties in Ba_0.85Ca_0.15Ti_0.90Zr_0.10O₃ceramics

H. L. Sun, Q. J. Zheng, Y. Wan, Y. Chen, X. Wu, Kin Wing Kwok, H. L.W. Chan, D. M. Lin

Research output: Journal article publication › Journal article › Academic research › peer-review

26 Citations (Scopus)

Abstract

Pb-free ceramics Ba0.85Ca0.15Ti0.90Zr0.10O3inspired by the excellent piezoelectricity of morphotropic phase boundary deriving from a tricritical point have been prepared by a solid state reaction route and the effects of grain size and room-temperature phases of the ceramics have been studied in detail. When sintering temperature rises from 1320 to 1560 °C with controlling the dwell time for 2 h, the ceramic sintered at 1480 °C possesses the optimum piezoelectricity. We choose 1360 and 1480 °C as two distinctive sintering temperatures to further study the effect of dwell time on the electrical properties of the ceramics. The results show that the improved piezoelectric behavior (d33 ~ 416 pC/N and kp ~ 55.8 %) is demonstrated for the Ba0.85Ca0.15Ti0.90Zr0.10O3ceramic at an optimal sintering temperature of 1480 °C and dwell time of 2 h, which is attributed to the largest grain size together with more noticeable rhombohedral–tetragonal phase transition near room-temperature.

Original language	English
Pages (from-to)	5270-5278
Number of pages	9
Journal	Journal of Materials Science: Materials in Electronics
Volume	26
Issue number	7
DOIs	https://doi.org/10.1007/s10854-015-3063-7
Publication status	Published - 24 Jul 2015

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1007/s10854-015-3063-7

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abstract = "Pb-free ceramics Ba0.85Ca0.15Ti0.90Zr0.10O3inspired by the excellent piezoelectricity of morphotropic phase boundary deriving from a tricritical point have been prepared by a solid state reaction route and the effects of grain size and room-temperature phases of the ceramics have been studied in detail. When sintering temperature rises from 1320 to 1560 °C with controlling the dwell time for 2 h, the ceramic sintered at 1480 °C possesses the optimum piezoelectricity. We choose 1360 and 1480 °C as two distinctive sintering temperatures to further study the effect of dwell time on the electrical properties of the ceramics. The results show that the improved piezoelectric behavior (d33 ~ 416 pC/N and kp ~ 55.8 %) is demonstrated for the Ba0.85Ca0.15Ti0.90Zr0.10O3ceramic at an optimal sintering temperature of 1480 °C and dwell time of 2 h, which is attributed to the largest grain size together with more noticeable rhombohedral–tetragonal phase transition near room-temperature.",

author = "Sun, {H. L.} and Zheng, {Q. J.} and Y. Wan and Y. Chen and X. Wu and Kwok, {Kin Wing} and Chan, {H. L.W.} and Lin, {D. M.}",

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AU - Sun, H. L.

AU - Zheng, Q. J.

AU - Wan, Y.

AU - Chen, Y.

AU - Wu, X.

AU - Kwok, Kin Wing

AU - Chan, H. L.W.

AU - Lin, D. M.

PY - 2015/7/24

Y1 - 2015/7/24

N2 - Pb-free ceramics Ba0.85Ca0.15Ti0.90Zr0.10O3inspired by the excellent piezoelectricity of morphotropic phase boundary deriving from a tricritical point have been prepared by a solid state reaction route and the effects of grain size and room-temperature phases of the ceramics have been studied in detail. When sintering temperature rises from 1320 to 1560 °C with controlling the dwell time for 2 h, the ceramic sintered at 1480 °C possesses the optimum piezoelectricity. We choose 1360 and 1480 °C as two distinctive sintering temperatures to further study the effect of dwell time on the electrical properties of the ceramics. The results show that the improved piezoelectric behavior (d33 ~ 416 pC/N and kp ~ 55.8 %) is demonstrated for the Ba0.85Ca0.15Ti0.90Zr0.10O3ceramic at an optimal sintering temperature of 1480 °C and dwell time of 2 h, which is attributed to the largest grain size together with more noticeable rhombohedral–tetragonal phase transition near room-temperature.

AB - Pb-free ceramics Ba0.85Ca0.15Ti0.90Zr0.10O3inspired by the excellent piezoelectricity of morphotropic phase boundary deriving from a tricritical point have been prepared by a solid state reaction route and the effects of grain size and room-temperature phases of the ceramics have been studied in detail. When sintering temperature rises from 1320 to 1560 °C with controlling the dwell time for 2 h, the ceramic sintered at 1480 °C possesses the optimum piezoelectricity. We choose 1360 and 1480 °C as two distinctive sintering temperatures to further study the effect of dwell time on the electrical properties of the ceramics. The results show that the improved piezoelectric behavior (d33 ~ 416 pC/N and kp ~ 55.8 %) is demonstrated for the Ba0.85Ca0.15Ti0.90Zr0.10O3ceramic at an optimal sintering temperature of 1480 °C and dwell time of 2 h, which is attributed to the largest grain size together with more noticeable rhombohedral–tetragonal phase transition near room-temperature.

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JO - Journal of Materials Science: Materials in Electronics

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Correlation of grain size, phase transition and piezoelectric properties in Ba_0.85Ca_0.15Ti_0.90Zr_0.10O₃ceramics

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