Large strain and relaxation behavior in CeO2 doped Bi0.487Na0.427K0.06Ba0.026TiO3 piezoceramics

Guocai Liu; Huiqing Fan; Jing Shi; Zhiyong Liu

doi:10.1016/j.ceramint.2015.11.062

Large strain and relaxation behavior in CeO₂ doped Bi_0.487Na_0.427K_0.06Ba_0.026TiO₃ piezoceramics

Guocai Liu
, Huiqing Fan
, Jing Shi
, Zhiyong Liu

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

36 Scopus citations

Abstract

xCeO₂-doped Bi_0.487Na_0.427K_0.06Ba_0.026TiO₃ lead-free piezoelectric ceramics (BNTC1000x, x=0, 0.3, 0.6, 0.8, 1.0, 1.2, 1.4 wt%), were synthesized by the solid-state reaction method. XRD patterns showed that all BNTC1000x ceramics exhibit pure single perovskite phase. At the critical composition BNTC12, a large electric-field-induced strain of 0.39% with normalized strain (S_max/E_max) of 561 pm/V was obtained under an electric field of 65 kV/cm. The ferroelectric phase was fully poled with electric field, and depoled once the applied electric field was removed. During that cycle, the non-180°-domains repeated switching and back-switching and the large strain was induced. The relaxation behavior was involved in BNTC1000x ceramics and induced by oxygen vacancy migration. Besides, this behavior was more predominant in BNTC12 than in BNTC0.

Original language	English
Pages (from-to)	3938-3946
Number of pages	9
Journal	Ceramics International
Volume	42
Issue number	3
DOIs	https://doi.org/10.1016/j.ceramint.2015.11.062
State	Published - 15 Feb 2016

Keywords

Doped
Ferroelectric phase
Large strain
Relaxation behavior

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10.1016/j.ceramint.2015.11.062

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@article{2723bef0de5d438fa0f38e577d4b4b42,

title = "Large strain and relaxation behavior in CeO2 doped Bi0.487Na0.427K0.06Ba0.026TiO3 piezoceramics",

abstract = "xCeO2-doped Bi0.487Na0.427K0.06Ba0.026TiO3 lead-free piezoelectric ceramics (BNTC1000x, x=0, 0.3, 0.6, 0.8, 1.0, 1.2, 1.4 wt\%), were synthesized by the solid-state reaction method. XRD patterns showed that all BNTC1000x ceramics exhibit pure single perovskite phase. At the critical composition BNTC12, a large electric-field-induced strain of 0.39\% with normalized strain (Smax/Emax) of 561 pm/V was obtained under an electric field of 65 kV/cm. The ferroelectric phase was fully poled with electric field, and depoled once the applied electric field was removed. During that cycle, the non-180°-domains repeated switching and back-switching and the large strain was induced. The relaxation behavior was involved in BNTC1000x ceramics and induced by oxygen vacancy migration. Besides, this behavior was more predominant in BNTC12 than in BNTC0.",

keywords = "Doped, Ferroelectric phase, Large strain, Relaxation behavior",

author = "Guocai Liu and Huiqing Fan and Jing Shi and Zhiyong Liu",

note = "Publisher Copyright: {\textcopyright} 2015 Elsevier Ltd and Techna Group S.r.l.",

year = "2016",

month = feb,

day = "15",

doi = "10.1016/j.ceramint.2015.11.062",

language = "英语",

volume = "42",

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TY - JOUR

T1 - Large strain and relaxation behavior in CeO2 doped Bi0.487Na0.427K0.06Ba0.026TiO3 piezoceramics

AU - Liu, Guocai

AU - Fan, Huiqing

AU - Shi, Jing

AU - Liu, Zhiyong

PY - 2016/2/15

Y1 - 2016/2/15

N2 - xCeO2-doped Bi0.487Na0.427K0.06Ba0.026TiO3 lead-free piezoelectric ceramics (BNTC1000x, x=0, 0.3, 0.6, 0.8, 1.0, 1.2, 1.4 wt%), were synthesized by the solid-state reaction method. XRD patterns showed that all BNTC1000x ceramics exhibit pure single perovskite phase. At the critical composition BNTC12, a large electric-field-induced strain of 0.39% with normalized strain (Smax/Emax) of 561 pm/V was obtained under an electric field of 65 kV/cm. The ferroelectric phase was fully poled with electric field, and depoled once the applied electric field was removed. During that cycle, the non-180°-domains repeated switching and back-switching and the large strain was induced. The relaxation behavior was involved in BNTC1000x ceramics and induced by oxygen vacancy migration. Besides, this behavior was more predominant in BNTC12 than in BNTC0.

AB - xCeO2-doped Bi0.487Na0.427K0.06Ba0.026TiO3 lead-free piezoelectric ceramics (BNTC1000x, x=0, 0.3, 0.6, 0.8, 1.0, 1.2, 1.4 wt%), were synthesized by the solid-state reaction method. XRD patterns showed that all BNTC1000x ceramics exhibit pure single perovskite phase. At the critical composition BNTC12, a large electric-field-induced strain of 0.39% with normalized strain (Smax/Emax) of 561 pm/V was obtained under an electric field of 65 kV/cm. The ferroelectric phase was fully poled with electric field, and depoled once the applied electric field was removed. During that cycle, the non-180°-domains repeated switching and back-switching and the large strain was induced. The relaxation behavior was involved in BNTC1000x ceramics and induced by oxygen vacancy migration. Besides, this behavior was more predominant in BNTC12 than in BNTC0.

KW - Doped

KW - Ferroelectric phase

KW - Large strain

KW - Relaxation behavior

UR - https://www.scopus.com/pages/publications/84951981808

U2 - 10.1016/j.ceramint.2015.11.062

DO - 10.1016/j.ceramint.2015.11.062

M3 - 文章

AN - SCOPUS:84951981808

SN - 0272-8842

VL - 42

SP - 3938

EP - 3946

JO - Ceramics International

JF - Ceramics International

IS - 3

ER -

Large strain and relaxation behavior in CeO₂ doped Bi_0.487Na_0.427K_0.06Ba_0.026TiO₃ piezoceramics

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Keywords

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