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, Wenwu Cao

Research output: Contribution to journalArticle

2 Citations (Scopus)

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.

Original languageEnglish (US)
Pages (from-to)2357-2362
Number of pages6
JournalJournal of Materials Science: Materials in Electronics
Volume29
Issue number3
DOIs
StatePublished - Feb 1 2018

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Electric properties
Thermodynamic stability
thermal stability
Lead
electrical properties
Depolarization
ceramics
Ferroelectric materials
depolarization
Solid state reactions
Temperature
Superconducting transition temperature
Permittivity
Phase transitions
temperature
dielectric properties
transition temperature
routes
permittivity
solid state

All Science Journal Classification (ASJC) codes

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

Cite this

Wang, Jun Jun ; Guo, Fei Fei ; Yang, Bin ; Zhang, Shan Tao ; Zheng, Li Mei ; Wu, Feng Min ; Cao, Wenwu. / Electrical properties of 0.94Bi0.5Na0.5TiO3–0.06Ba(Zr0.055Ti0.945)O3 lead-free ceramics with high thermal stability. In: Journal of Materials Science: Materials in Electronics. 2018 ; Vol. 29, No. 3. pp. 2357-2362.
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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.",
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Electrical properties of 0.94Bi0.5Na0.5TiO3–0.06Ba(Zr0.055Ti0.945)O3 lead-free ceramics with high thermal stability. / Wang, Jun Jun; Guo, Fei Fei; Yang, Bin; Zhang, Shan Tao; Zheng, Li Mei; Wu, Feng Min; Cao, Wenwu.

In: Journal of Materials Science: Materials in Electronics, Vol. 29, No. 3, 01.02.2018, p. 2357-2362.

Research output: Contribution to journalArticle

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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, Wenwu

PY - 2018/2/1

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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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