Electrical properties and relaxation behavior of Bi0.5Na0.5TiO3-BaTiO3 ceramics modified with NaNbO3

Qi Xu; Michael T. Lanagan; Wei Luo; Lin Zhang; Juan Xie; Hua Hao; Minghe Cao; Zhonghua Yao; Hanxing Liu

doi:10.1016/j.jeurceramsoc.2016.03.011

Electrical properties and relaxation behavior of Bi_0.5Na_0.5TiO₃-BaTiO₃ ceramics modified with NaNbO₃

Qi Xu, Michael T. Lanagan, Wei Luo, Lin Zhang, Juan Xie, Hua Hao, Minghe Cao, Zhonghua Yao, Hanxing Liu

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

134 Scopus citations

Abstract

Electric conduction and dielectric relaxation behavior in (1-x)(Bi_0.5Na_0.5TiO₃-BaTiO₃)-xNaNbO₃ ((1-x)(BNT-BT)-xNN) ceramics were investigated. All compositions showed negative temperature coefficient of resistance (NTCR) behavior. The bulk conductivity followed the Arrhenius law with E_a = 1.24-1.55 eV, which can be attributed to the electronic conduction. In the modulus (M''-f) spectra, a peak and a shoulder were observed, corresponding to the bulk and polar nano regions (PNRs) response respectively. With the increase of either temperature or NN content, the shoulder gradually depressed and even disappeared. A correlation between the PNRs evolution and the relaxation behavior was constructed.

Original language	English (US)
Pages (from-to)	2469-2477
Number of pages	9
Journal	Journal of the European Ceramic Society
Volume	36
Issue number	10
DOIs	https://doi.org/10.1016/j.jeurceramsoc.2016.03.011
State	Published - Aug 1 2016

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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10.1016/j.jeurceramsoc.2016.03.011

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@article{5a898631e4f04f7d89be259c81b1b35c,

title = "Electrical properties and relaxation behavior of Bi0.5Na0.5TiO3-BaTiO3 ceramics modified with NaNbO3 ",

abstract = "Electric conduction and dielectric relaxation behavior in (1-x)(Bi0.5Na0.5TiO3-BaTiO3)-xNaNbO3 ((1-x)(BNT-BT)-xNN) ceramics were investigated. All compositions showed negative temperature coefficient of resistance (NTCR) behavior. The bulk conductivity followed the Arrhenius law with Ea = 1.24-1.55 eV, which can be attributed to the electronic conduction. In the modulus (M''-f) spectra, a peak and a shoulder were observed, corresponding to the bulk and polar nano regions (PNRs) response respectively. With the increase of either temperature or NN content, the shoulder gradually depressed and even disappeared. A correlation between the PNRs evolution and the relaxation behavior was constructed.",

author = "Qi Xu and Lanagan, \{Michael T.\} and Wei Luo and Lin Zhang and Juan Xie and Hua Hao and Minghe Cao and Zhonghua Yao and Hanxing Liu",

note = "Publisher Copyright: {\textcopyright} 2016 Elsevier Ltd.",

year = "2016",

month = aug,

day = "1",

doi = "10.1016/j.jeurceramsoc.2016.03.011",

language = "English (US)",

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TY - JOUR

T1 - Electrical properties and relaxation behavior of Bi0.5Na0.5TiO3-BaTiO3 ceramics modified with NaNbO3

AU - Xu, Qi

AU - Lanagan, Michael T.

AU - Luo, Wei

AU - Zhang, Lin

AU - Xie, Juan

AU - Hao, Hua

AU - Cao, Minghe

AU - Yao, Zhonghua

AU - Liu, Hanxing

PY - 2016/8/1

Y1 - 2016/8/1

N2 - Electric conduction and dielectric relaxation behavior in (1-x)(Bi0.5Na0.5TiO3-BaTiO3)-xNaNbO3 ((1-x)(BNT-BT)-xNN) ceramics were investigated. All compositions showed negative temperature coefficient of resistance (NTCR) behavior. The bulk conductivity followed the Arrhenius law with Ea = 1.24-1.55 eV, which can be attributed to the electronic conduction. In the modulus (M''-f) spectra, a peak and a shoulder were observed, corresponding to the bulk and polar nano regions (PNRs) response respectively. With the increase of either temperature or NN content, the shoulder gradually depressed and even disappeared. A correlation between the PNRs evolution and the relaxation behavior was constructed.

AB - Electric conduction and dielectric relaxation behavior in (1-x)(Bi0.5Na0.5TiO3-BaTiO3)-xNaNbO3 ((1-x)(BNT-BT)-xNN) ceramics were investigated. All compositions showed negative temperature coefficient of resistance (NTCR) behavior. The bulk conductivity followed the Arrhenius law with Ea = 1.24-1.55 eV, which can be attributed to the electronic conduction. In the modulus (M''-f) spectra, a peak and a shoulder were observed, corresponding to the bulk and polar nano regions (PNRs) response respectively. With the increase of either temperature or NN content, the shoulder gradually depressed and even disappeared. A correlation between the PNRs evolution and the relaxation behavior was constructed.

UR - https://www.scopus.com/pages/publications/84978017350

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U2 - 10.1016/j.jeurceramsoc.2016.03.011

DO - 10.1016/j.jeurceramsoc.2016.03.011

M3 - Article

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SN - 0955-2219

VL - 36

SP - 2469

EP - 2477

JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

IS - 10

ER -

Electrical properties and relaxation behavior of Bi_0.5Na_0.5TiO₃-BaTiO₃ ceramics modified with NaNbO₃

Abstract

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