Structure, dielectric and ferroelectric properties of lead-free (Ba,Ca)(Ti,Zr)O3-xBiErO3 piezoelectric ceramics

Muhammad Qadeer Awan; Javed Ahmad; Qingbo Sun; Wanbiao Hu; Adam Berlie; Yun Liu

doi:10.1016/j.ceramint.2018.01.112

Structure, dielectric and ferroelectric properties of lead-free (Ba,Ca)(Ti,Zr)O₃-xBiErO₃ piezoelectric ceramics

Muhammad Qadeer Awan^*, Javed Ahmad, Qingbo Sun, Wanbiao Hu, Adam Berlie, Yun Liu

^*Corresponding author for this work

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

7 Citations (Scopus)

Abstract

Lead-free piezoelectric ceramics [(Ba_0.85Ca_0.15)(Ti_0.90Zr_0.10)O_3-xBiErO₃ (BCTZ-xBE)] doped with a new doping material BiErO₃ (BE) has been synthesized successfully via solid state reaction technique, and their structural, dielectric, ferroelectric, and piezoelectric properties have been investigated. A high dielectric constant with very low dielectric loss and high remnant polarization followed by a low coercive field has been obtained with the addition of x = 0.5 BE. Bulk ferroelectric hysteresis loops were obtained with a maximum polarization P_max = 26.7 μC/cm² and a saturation polarization P_s = 16.65 μC/cm² along with a coercive field of E_c ≈ 2.45 kV/cm. Results demonstrate an induced-strain increasing from ~ 0.11 to ~ 0.24 for x = 0.5, excellent piezoelectricity with d₃₃ = 560 pC/N, k_p = 56%, Q_m = 196, ε_m = 11,200 and tanδ = 0.01.

Original language	English
Pages (from-to)	6872-6877
Number of pages	6
Journal	Ceramics International
Volume	44
Issue number	6
DOIs	https://doi.org/10.1016/j.ceramint.2018.01.112
Publication status	Published - 15 Apr 2018

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@article{445848a66c824dc68f58b3df1ea43e9c,

title = "Structure, dielectric and ferroelectric properties of lead-free (Ba,Ca)(Ti,Zr)O3-xBiErO3 piezoelectric ceramics",

abstract = "Lead-free piezoelectric ceramics [(Ba0.85Ca0.15)(Ti0.90Zr0.10)O3-xBiErO3 (BCTZ-xBE)] doped with a new doping material BiErO3 (BE) has been synthesized successfully via solid state reaction technique, and their structural, dielectric, ferroelectric, and piezoelectric properties have been investigated. A high dielectric constant with very low dielectric loss and high remnant polarization followed by a low coercive field has been obtained with the addition of x = 0.5 BE. Bulk ferroelectric hysteresis loops were obtained with a maximum polarization Pmax = 26.7 μC/cm2 and a saturation polarization Ps = 16.65 μC/cm2 along with a coercive field of Ec ≈ 2.45 kV/cm. Results demonstrate an induced-strain increasing from ~ 0.11 to ~ 0.24 for x = 0.5, excellent piezoelectricity with d33 = 560 pC/N, kp = 56%, Qm = 196, εm = 11,200 and tanδ = 0.01.",

keywords = "BiErO, Induced strain, Piezoelectric ceramics, Polarization",

author = "Awan, {Muhammad Qadeer} and Javed Ahmad and Qingbo Sun and Wanbiao Hu and Adam Berlie and Yun Liu",

note = "Publisher Copyright: {\textcopyright} 2018 Elsevier Ltd and Techna Group S.r.l.",

year = "2018",

month = apr,

day = "15",

doi = "10.1016/j.ceramint.2018.01.112",

language = "English",

volume = "44",

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TY - JOUR

T1 - Structure, dielectric and ferroelectric properties of lead-free (Ba,Ca)(Ti,Zr)O3-xBiErO3 piezoelectric ceramics

AU - Awan, Muhammad Qadeer

AU - Ahmad, Javed

AU - Sun, Qingbo

AU - Hu, Wanbiao

AU - Berlie, Adam

AU - Liu, Yun

PY - 2018/4/15

Y1 - 2018/4/15

N2 - Lead-free piezoelectric ceramics [(Ba0.85Ca0.15)(Ti0.90Zr0.10)O3-xBiErO3 (BCTZ-xBE)] doped with a new doping material BiErO3 (BE) has been synthesized successfully via solid state reaction technique, and their structural, dielectric, ferroelectric, and piezoelectric properties have been investigated. A high dielectric constant with very low dielectric loss and high remnant polarization followed by a low coercive field has been obtained with the addition of x = 0.5 BE. Bulk ferroelectric hysteresis loops were obtained with a maximum polarization Pmax = 26.7 μC/cm2 and a saturation polarization Ps = 16.65 μC/cm2 along with a coercive field of Ec ≈ 2.45 kV/cm. Results demonstrate an induced-strain increasing from ~ 0.11 to ~ 0.24 for x = 0.5, excellent piezoelectricity with d33 = 560 pC/N, kp = 56%, Qm = 196, εm = 11,200 and tanδ = 0.01.

AB - Lead-free piezoelectric ceramics [(Ba0.85Ca0.15)(Ti0.90Zr0.10)O3-xBiErO3 (BCTZ-xBE)] doped with a new doping material BiErO3 (BE) has been synthesized successfully via solid state reaction technique, and their structural, dielectric, ferroelectric, and piezoelectric properties have been investigated. A high dielectric constant with very low dielectric loss and high remnant polarization followed by a low coercive field has been obtained with the addition of x = 0.5 BE. Bulk ferroelectric hysteresis loops were obtained with a maximum polarization Pmax = 26.7 μC/cm2 and a saturation polarization Ps = 16.65 μC/cm2 along with a coercive field of Ec ≈ 2.45 kV/cm. Results demonstrate an induced-strain increasing from ~ 0.11 to ~ 0.24 for x = 0.5, excellent piezoelectricity with d33 = 560 pC/N, kp = 56%, Qm = 196, εm = 11,200 and tanδ = 0.01.

KW - BiErO

KW - Induced strain

KW - Piezoelectric ceramics

KW - Polarization

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U2 - 10.1016/j.ceramint.2018.01.112

DO - 10.1016/j.ceramint.2018.01.112

M3 - Article

SN - 0272-8842

VL - 44

SP - 6872

EP - 6877

JO - Ceramics International

JF - Ceramics International

IS - 6

ER -

Structure, dielectric and ferroelectric properties of lead-free (Ba,Ca)(Ti,Zr)O₃-xBiErO₃ piezoelectric ceramics

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