Ferroelectric properties of triangular charge-frustrated LuFe 2O4

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Abstract

Magnetic and dielectric correlation in triangular mixed valence iron oxide RFe2O4 is discussed. The frustrated interaction for antiferromagnetic spins as well as charges realizes the auto-organized superlattice cell of iron ions. The characteristic charge and spin superlattice cell drives the magnetoelectric cross-correlation. The charge supercell detected with a resonant x-ray scattering measurement has an electric polarization that forms a class of new ferroelectrics.

Original languageEnglish
Article number434218
JournalJournal of Physics Condensed Matter
Volume20
Issue number43
DOIs
Publication statusPublished - Oct 7 2008

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ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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