Exchange bias in bilayers based on the ferroelectric antiferromagnet BiFeO3

X. Qi, H. Kim, M. G. Blamire

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)


This paper reports studies of the exchange interaction between the conventional ferromagnets CoFe2O4 and permalloy and the multiferroic antiferromagnet BiFeO3 films. Bilayer films were grown which demonstrated significant exchange bias at room temperature. BiFeO3 films grown under the same conditions also showed a large electric polarization. The results are encouraging for room-temperature applications of BiFeO3 with the combined properties of antiferromagnetism and ferroelectricity, but the significant residual leakage in our BiFeO3 films prevented the demonstration of a stable, controllable exchange bias.

Original languageEnglish
Pages (from-to)175-181
Number of pages7
JournalPhilosophical Magazine Letters
Issue number3-4
Publication statusPublished - 2007 Mar 1

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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