Electrical properties of 0.94Bi0.5Na0.5TiO3–0.06Ba(Zr0.055Ti0.945)O3 lead-free ceramics with high thermal stability

Jun Jun Wang; Fei Fei Guo; Bin Yang; Shan Tao Zhang; Li Mei Zheng; Feng Min Wu; Wen Wu Cao

doi:10.1007/s10854-017-8154-1

Electrical properties of 0.94Bi_0.5Na_0.5TiO₃–0.06Ba(Zr_0.055Ti_0.945)O₃ lead-free ceramics with high thermal stability

Jun Jun Wang, Fei Fei Guo, Bin Yang, Shan Tao Zhang, Li Mei Zheng, Feng Min Wu, Wen Wu Cao

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Here we report the 0.94(Bi_0.5Na_0.5)TiO₃–0.06Ba(Zr_0.055Ti_0.945)O₃ (0.94BNT–0.06BZT) lead-free ceramics was synthesized by two-step solid state reaction route. The structural, dielectric, ferroelectric, piezoelectric and electromechanical properties of the ceramics were studied, and showed excellent electric properties (P_s = 39.9 μC/cm², P_r = 33.7 μC/cm², E_c = 2.79 kV/mm, S = 0.20%, d₃₃ = 174 pC/N, k_p = 0.33). The depolarization temperature (T_d) of the ceramics is about 65 °C, which is determined from the first hump of relative dielectric constant. The electromechanical factor k_p disappears at 65 °C, is consistent with the depolarization temperature (T_d) and the ferroelectric-antiferroelectric phase transition temperature (T_fe−afe) determined from the temperature-dependent P–E and bipolar S–E curves. These results indicate the 0.94BNT–0.06BZT ceramics has a good thermal stability in range of − 60–60 °C, and meets the actual demand.

Original language	English (US)
Pages (from-to)	2357-2362
Number of pages	6
Journal	Journal of Materials Science: Materials in Electronics
Volume	29
Issue number	3
DOIs	https://doi.org/10.1007/s10854-017-8154-1
State	Published - Feb 1 2018

All Science Journal Classification (ASJC) codes

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

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10.1007/s10854-017-8154-1

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title = "Electrical properties of 0.94Bi0.5Na0.5TiO3–0.06Ba(Zr0.055Ti0.945)O3 lead-free ceramics with high thermal stability",

abstract = "Here we report the 0.94(Bi0.5Na0.5)TiO3–0.06Ba(Zr0.055Ti0.945)O3 (0.94BNT–0.06BZT) lead-free ceramics was synthesized by two-step solid state reaction route. The structural, dielectric, ferroelectric, piezoelectric and electromechanical properties of the ceramics were studied, and showed excellent electric properties (Ps = 39.9 μC/cm2, Pr = 33.7 μC/cm2, Ec = 2.79 kV/mm, S = 0.20%, d33 = 174 pC/N, kp = 0.33). The depolarization temperature (Td) of the ceramics is about 65 °C, which is determined from the first hump of relative dielectric constant. The electromechanical factor kp disappears at 65 °C, is consistent with the depolarization temperature (Td) and the ferroelectric-antiferroelectric phase transition temperature (Tfe−afe) determined from the temperature-dependent P–E and bipolar S–E curves. These results indicate the 0.94BNT–0.06BZT ceramics has a good thermal stability in range of − 60–60 °C, and meets the actual demand.",

author = "Wang, {Jun Jun} and Guo, {Fei Fei} and Bin Yang and Zhang, {Shan Tao} and Zheng, {Li Mei} and Wu, {Feng Min} and Cao, {Wen Wu}",

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year = "2018",

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T1 - Electrical properties of 0.94Bi0.5Na0.5TiO3–0.06Ba(Zr0.055Ti0.945)O3 lead-free ceramics with high thermal stability

AU - Wang, Jun Jun

AU - Guo, Fei Fei

AU - Yang, Bin

AU - Zhang, Shan Tao

AU - Zheng, Li Mei

AU - Wu, Feng Min

AU - Cao, Wen Wu

PY - 2018/2/1

Y1 - 2018/2/1

N2 - Here we report the 0.94(Bi0.5Na0.5)TiO3–0.06Ba(Zr0.055Ti0.945)O3 (0.94BNT–0.06BZT) lead-free ceramics was synthesized by two-step solid state reaction route. The structural, dielectric, ferroelectric, piezoelectric and electromechanical properties of the ceramics were studied, and showed excellent electric properties (Ps = 39.9 μC/cm2, Pr = 33.7 μC/cm2, Ec = 2.79 kV/mm, S = 0.20%, d33 = 174 pC/N, kp = 0.33). The depolarization temperature (Td) of the ceramics is about 65 °C, which is determined from the first hump of relative dielectric constant. The electromechanical factor kp disappears at 65 °C, is consistent with the depolarization temperature (Td) and the ferroelectric-antiferroelectric phase transition temperature (Tfe−afe) determined from the temperature-dependent P–E and bipolar S–E curves. These results indicate the 0.94BNT–0.06BZT ceramics has a good thermal stability in range of − 60–60 °C, and meets the actual demand.

AB - Here we report the 0.94(Bi0.5Na0.5)TiO3–0.06Ba(Zr0.055Ti0.945)O3 (0.94BNT–0.06BZT) lead-free ceramics was synthesized by two-step solid state reaction route. The structural, dielectric, ferroelectric, piezoelectric and electromechanical properties of the ceramics were studied, and showed excellent electric properties (Ps = 39.9 μC/cm2, Pr = 33.7 μC/cm2, Ec = 2.79 kV/mm, S = 0.20%, d33 = 174 pC/N, kp = 0.33). The depolarization temperature (Td) of the ceramics is about 65 °C, which is determined from the first hump of relative dielectric constant. The electromechanical factor kp disappears at 65 °C, is consistent with the depolarization temperature (Td) and the ferroelectric-antiferroelectric phase transition temperature (Tfe−afe) determined from the temperature-dependent P–E and bipolar S–E curves. These results indicate the 0.94BNT–0.06BZT ceramics has a good thermal stability in range of − 60–60 °C, and meets the actual demand.

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Electrical properties of 0.94Bi_0.5Na_0.5TiO₃–0.06Ba(Zr_0.055Ti_0.945)O₃ lead-free ceramics with high thermal stability

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