Effect of Oxygen Vacancy on Electrical Property of Acceptor Doped BaTiO3–Na0.5Bi0.5TiO3–Nb2O5X8R Systems

Yue Sun; Hanxing Liu; Hua Hao; Shujun Zhang

doi:10.1111/jace.14336

Effect of Oxygen Vacancy on Electrical Property of Acceptor Doped BaTiO₃–Na_0.5Bi_0.5TiO₃–Nb₂O₅X8R Systems

Yue Sun, Hanxing Liu, Hua Hao, Shujun Zhang

Materials Research Institute (MRI)

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

39 Scopus citations

Abstract

In this study, we reported a new BaTiO₃–Na_0.5Bi_0.5TiO₃–Nb₂O₅–Mn₂O₃/Fe₂O₃/Co₃O₄/In₂O₃X8R system with high dielectric constant (>2100) at room temperature. The impacts of oxygen vacancy ((Formula presented.)) on dielectric, electrical conductivity, and ferroelectric properties were systematically studied. The Curie point is largely depended on the (Formula presented.) concentration, which can be confirmed by the dielectric behavior and A_1goctahedral breathing modes in Raman spectrum. In addition, the activation energy of (Formula presented.) diffusion is greatly reduced with the increase in (Formula presented.) concentration. It was found that the remnant polarization and coercive field were both decreased with increasing (Formula presented.) concentration, due to the facilitated defect dipoles reorientation and domain switching.

Original language	English (US)
Pages (from-to)	3067-3073
Number of pages	7
Journal	Journal of the American Ceramic Society
Volume	99
Issue number	9
DOIs	https://doi.org/10.1111/jace.14336
State	Published - Sep 1 2016

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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10.1111/jace.14336

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title = "Effect of Oxygen Vacancy on Electrical Property of Acceptor Doped BaTiO3–Na0.5Bi0.5TiO3–Nb2O5X8R Systems",

abstract = "In this study, we reported a new BaTiO3–Na0.5Bi0.5TiO3–Nb2O5–Mn2O3/Fe2O3/Co3O4/In2O3X8R system with high dielectric constant (>2100) at room temperature. The impacts of oxygen vacancy ((Formula presented.)) on dielectric, electrical conductivity, and ferroelectric properties were systematically studied. The Curie point is largely depended on the (Formula presented.) concentration, which can be confirmed by the dielectric behavior and A1goctahedral breathing modes in Raman spectrum. In addition, the activation energy of (Formula presented.) diffusion is greatly reduced with the increase in (Formula presented.) concentration. It was found that the remnant polarization and coercive field were both decreased with increasing (Formula presented.) concentration, due to the facilitated defect dipoles reorientation and domain switching.",

author = "Yue Sun and Hanxing Liu and Hua Hao and Shujun Zhang",

note = "Publisher Copyright: {\textcopyright} 2016 The American Ceramic Society",

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T1 - Effect of Oxygen Vacancy on Electrical Property of Acceptor Doped BaTiO3–Na0.5Bi0.5TiO3–Nb2O5X8R Systems

AU - Sun, Yue

AU - Liu, Hanxing

AU - Hao, Hua

AU - Zhang, Shujun

PY - 2016/9/1

Y1 - 2016/9/1

N2 - In this study, we reported a new BaTiO3–Na0.5Bi0.5TiO3–Nb2O5–Mn2O3/Fe2O3/Co3O4/In2O3X8R system with high dielectric constant (>2100) at room temperature. The impacts of oxygen vacancy ((Formula presented.)) on dielectric, electrical conductivity, and ferroelectric properties were systematically studied. The Curie point is largely depended on the (Formula presented.) concentration, which can be confirmed by the dielectric behavior and A1goctahedral breathing modes in Raman spectrum. In addition, the activation energy of (Formula presented.) diffusion is greatly reduced with the increase in (Formula presented.) concentration. It was found that the remnant polarization and coercive field were both decreased with increasing (Formula presented.) concentration, due to the facilitated defect dipoles reorientation and domain switching.

AB - In this study, we reported a new BaTiO3–Na0.5Bi0.5TiO3–Nb2O5–Mn2O3/Fe2O3/Co3O4/In2O3X8R system with high dielectric constant (>2100) at room temperature. The impacts of oxygen vacancy ((Formula presented.)) on dielectric, electrical conductivity, and ferroelectric properties were systematically studied. The Curie point is largely depended on the (Formula presented.) concentration, which can be confirmed by the dielectric behavior and A1goctahedral breathing modes in Raman spectrum. In addition, the activation energy of (Formula presented.) diffusion is greatly reduced with the increase in (Formula presented.) concentration. It was found that the remnant polarization and coercive field were both decreased with increasing (Formula presented.) concentration, due to the facilitated defect dipoles reorientation and domain switching.

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Effect of Oxygen Vacancy on Electrical Property of Acceptor Doped BaTiO₃–Na_0.5Bi_0.5TiO₃–Nb₂O₅X8R Systems

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