Giant magnetoelectric effect in the [formula omitted] Mott insulator [formula omitted]

S. Chikara, O. Korneta, W. P. Crummett, L. E. Delong, P. Schlottmann, G. Cao

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Strong spin-orbit, crystal field, and Coulomb interactions compete to drive a narrow-gap Mott state in [formula omitted]. Our study of the magnetic, thermal, and electrical properties of single-crystal [formula omitted] reveals a giant magnetoelectric effect (GME) arising from a frustrated magnetic/ferroelectric state below 240 K. The GME features (1) a strongly enhanced electric permittivity that peaks near a newly observed magnetic anomaly at 100 K, and (2) a large magnetodielectric shift (100%) near a metamagnetic transition.

Original languageEnglish
Pages (from-to)657
Number of pages1
JournalJournal of Applied Physics
Issue number9
StatePublished - May 1 2010

ASJC Scopus subject areas

  • General Physics and Astronomy


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