Exchange bias in multiferroic RFe 2O 4 (R = Y, Er, Tm, Yb, Lu, and In)

Kenji Yoshii, Naoshi Ikeda, Yasuo Nishihata, Daisuke Maeda, Ryota Fukuyama, Tomoko Nagata, Jun Kano, Takashi Kambe, Yoichi Horibe, Shigeo Mori

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

An exchange bias (EB) behavior has been observed for multiferroic RFe 2O 4 (R = Y, Er, Tm, Yb, Lu, and In). The materials with small R 3+ ions (R = Tm, Yb, Lu, and In) exhibit large EB fields (≳1 kOe) below ∼ 100-150 K. This property is rooted in a magnetically glassy state, arising from the competition between ferromagnetic and antiferromagnetic domain interactions. In addition, the EB field tends to be more enhanced for smaller R 3+ ions. Hence, the EB is controlled by the substitution at the R-site in this series.

Original languageEnglish
Article number033704
Journaljournal of the physical society of japan
Volume81
Issue number3
DOIs
Publication statusPublished - Mar 1 2012

Keywords

  • Exchange bias
  • Iron oxide
  • Magnetic competition
  • Multiferroic
  • Rare earth

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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