Effects of magnetic annealing on structure and multiferroic properties of pure and dysprosium substituted BiFeO 3

Shuxia Zhang, Yingbang Yao, Yao Chen, Dongliang Wang, Xianping Zhang, Satoshi Awaji, Kazuo Watanabe, Yanwei Ma

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

In this work, the effects of magnetic annealing on crystal structure and multiferroic properties of BiFeO 3 and Bi 0.85Dy 0.15FeO 3 have been investigated. It is found that the X-ray diffraction patterns of pure BiFeO 3 samples are obviously broadened after magnetic annealing, whereas those of Bi 0.85Dy 0.15FeO 3 samples are almost unchanged. Magnetic field annealing did not affect the magnetic properties of these two kinds of samples much. However, ferroelectric properties of the two materials exhibited different behaviors after magnetic field annealing. For pure BiFeO 3 samples, the remnant polarizations (P r) are suppressed; in contrast, for Bi 0.85Dy 0.15FeO 3 samples, P r is greatly enhanced. Possible mechanisms for the effects of magnetic field annealing have been discussed. © 2012 Elsevier B.V. All rights reserved.
Original languageEnglish (US)
Pages (from-to)2205-2210
Number of pages6
JournalJournal of Magnetism and Magnetic Materials
Volume324
Issue number14
DOIs
StatePublished - Jul 2012

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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