Defect-dipole alignment and strain memory effect in poled Li doped (Bi0.5Na0.4K0.1)0.98Ce0.02TiO3 ceramics

Jing Shi; Huiqing Fan; Xiao Liu; Qiang Li

doi:10.1007/s10854-015-3281-z

Defect-dipole alignment and strain memory effect in poled Li doped (Bi_0.5Na_0.4K_0.1)_0.98Ce_0.02TiO₃ ceramics

Jing Shi, Huiqing Fan, Xiao Liu, Qiang Li

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

14 Scopus citations

Abstract

Asymmetric ferroelectric hysteresis (P–E) loops and strain hysteresis (S–E) curves are detected in poled-aged Li doped (Bi_0.5Na_0.4K_0.1)_0.98Ce_0.02TiO₃ ceramics at room temperature. Temperature dependence of electrical and structural analysis is used to study the stability of electrically induced long-range ferroelectric order. Interestingly, this asymmetric characteristic can sustain at 80 °C ≤ T ≤ 90 °C, where the ferroelectric and non-ergodic relaxor phase coexist. Our results suggest that the preferentially reoriented defect dipoles have the pinning effect on temperature- and electric field- induced phase transition between long-range ferroelectric and relaxor.

Original language	English
Pages (from-to)	9409-9413
Number of pages	5
Journal	Journal of Materials Science: Materials in Electronics
Volume	26
Issue number	12
DOIs	https://doi.org/10.1007/s10854-015-3281-z
State	Published - 1 Dec 2015

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title = "Defect-dipole alignment and strain memory effect in poled Li doped (Bi0.5Na0.4K0.1)0.98Ce0.02TiO3 ceramics",

abstract = "Asymmetric ferroelectric hysteresis (P–E) loops and strain hysteresis (S–E) curves are detected in poled-aged Li doped (Bi0.5Na0.4K0.1)0.98Ce0.02TiO3 ceramics at room temperature. Temperature dependence of electrical and structural analysis is used to study the stability of electrically induced long-range ferroelectric order. Interestingly, this asymmetric characteristic can sustain at 80 °C ≤ T ≤ 90 °C, where the ferroelectric and non-ergodic relaxor phase coexist. Our results suggest that the preferentially reoriented defect dipoles have the pinning effect on temperature- and electric field- induced phase transition between long-range ferroelectric and relaxor.",

author = "Jing Shi and Huiqing Fan and Xiao Liu and Qiang Li",

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T1 - Defect-dipole alignment and strain memory effect in poled Li doped (Bi0.5Na0.4K0.1)0.98Ce0.02TiO3 ceramics

AU - Shi, Jing

AU - Fan, Huiqing

AU - Liu, Xiao

AU - Li, Qiang

PY - 2015/12/1

Y1 - 2015/12/1

N2 - Asymmetric ferroelectric hysteresis (P–E) loops and strain hysteresis (S–E) curves are detected in poled-aged Li doped (Bi0.5Na0.4K0.1)0.98Ce0.02TiO3 ceramics at room temperature. Temperature dependence of electrical and structural analysis is used to study the stability of electrically induced long-range ferroelectric order. Interestingly, this asymmetric characteristic can sustain at 80 °C ≤ T ≤ 90 °C, where the ferroelectric and non-ergodic relaxor phase coexist. Our results suggest that the preferentially reoriented defect dipoles have the pinning effect on temperature- and electric field- induced phase transition between long-range ferroelectric and relaxor.

AB - Asymmetric ferroelectric hysteresis (P–E) loops and strain hysteresis (S–E) curves are detected in poled-aged Li doped (Bi0.5Na0.4K0.1)0.98Ce0.02TiO3 ceramics at room temperature. Temperature dependence of electrical and structural analysis is used to study the stability of electrically induced long-range ferroelectric order. Interestingly, this asymmetric characteristic can sustain at 80 °C ≤ T ≤ 90 °C, where the ferroelectric and non-ergodic relaxor phase coexist. Our results suggest that the preferentially reoriented defect dipoles have the pinning effect on temperature- and electric field- induced phase transition between long-range ferroelectric and relaxor.

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SN - 0957-4522

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JO - Journal of Materials Science: Materials in Electronics

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Defect-dipole alignment and strain memory effect in poled Li doped (Bi_0.5Na_0.4K_0.1)_0.98Ce_0.02TiO₃ ceramics

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