Nature of Ho magnetism in multiferroic HoMnO3

  • S. Nandi
  • , A. Kreyssig
  • , L. Tan
  • , J. W. Kim
  • , J. Q. Yan
  • , J. C. Lang
  • , D. Haskel
  • , R. J. McQueeney
  • , A. I. Goldman

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

Using x-ray resonant magnetic scattering and x-ray magnetic circular dichroism, techniques that are element specific, we have elucidated the role of Ho3+ in multiferroic HoMnO3. In zero field, Ho3+ orders antiferromagnetically with moments aligned along the hexagonal c direction below 40 K, and undergoes a transition to another magnetic structure below 4.5 K. In applied electric fields of up to 1×107V/m, the magnetic structure of Ho3+ remains unchanged.

Original languageEnglish
Article number217201
JournalPhysical Review Letters
Volume100
Issue number21
DOIs
StatePublished - May 29 2008
Externally publishedYes

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