Effects of high magnetic field annealing on microstructure and multiferroic properties of Bi1−xLaxFeO3 ceramics

Shuxia Zhang, Yanwei Ma, Satoshi Awaji, Kazuo Watanabe

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Effects of high magnetic field annealing on microstructure and multiferroic properties of Bi1−xLaxFeO3 have been investigated. It is found that the grain size of these materials prepared by annealing under a magnetic field becomes small and uniform. The magnetic coercive field of the samples synthesized under a magnetic field is higher than that of the samples prepared in the absence of magnetic field. It is also found that application of a magnetic field during annealing process can suppress the leakage behavior in Bi1−xLaxFeO3. As a result, ferroelectric properties are significantly improved by magnetic field annealing and the Bi0.85La0.15FeO3 specimens heated at 5 T had the best remnant polarization value (2Pr) of 46.8 μC/cm2, around 8 times higher than that of the samples fabricated at 0 T.

Original languageEnglish
Pages (from-to)18785-18790
Number of pages6
JournalCeramics International
Volume42
Issue number16
DOIs
Publication statusPublished - 2016 Dec 1

Keywords

  • BiFeO-based ceramics
  • Ferroelectric property
  • Magnetic field annealing
  • Magnetic property
  • Multiferroic materials

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

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