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

Yue Sun, Hanxing Liu, Hua Hao, Shujun Zhang

Research output: Contribution to journalArticle

17 Citations (Scopus)

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.

Original languageEnglish (US)
Pages (from-to)3067-3073
Number of pages7
JournalJournal of the American Ceramic Society
Volume99
Issue number9
DOIs
StatePublished - Sep 1 2016

Fingerprint

Curie point
electrical property
Oxygen vacancies
activation energy
electrical conductivity
defect
Electric properties
polarization
oxygen
Ferroelectric materials
Raman scattering
Permittivity
Activation energy
temperature
Polarization
Defects
Temperature
effect
Electric Conductivity

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Geology
  • Geochemistry and Petrology
  • Materials Chemistry

Cite this

Sun, Yue ; Liu, Hanxing ; Hao, Hua ; Zhang, Shujun. / Effect of Oxygen Vacancy on Electrical Property of Acceptor Doped BaTiO3–Na0.5Bi0.5TiO3–Nb2O5X8R Systems. In: Journal of the American Ceramic Society. 2016 ; Vol. 99, No. 9. pp. 3067-3073.
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Effect of Oxygen Vacancy on Electrical Property of Acceptor Doped BaTiO3–Na0.5Bi0.5TiO3–Nb2O5X8R Systems. / Sun, Yue; Liu, Hanxing; Hao, Hua; Zhang, Shujun.

In: Journal of the American Ceramic Society, Vol. 99, No. 9, 01.09.2016, p. 3067-3073.

Research output: Contribution to journalArticle

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