Anticorrelation between ferromagnetism and ferroelectricity in perovskite manganites

T. Goto, Y. Yamasaki, H. Watanabe, T. Kimura, Y. Tokura

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88 Citations (Scopus)

Abstract

Magnetic and dielectric properties have been investigated for a mixed-crystal system Tb1-xGdxMnO3 in between TbMnO3 with ferroelectric and incommensurate antiferromagnetic (AFM) orders and GdMnO3 with paraelectric and canted AFM (weakly ferromagnetic) states, as functions of x, temperature T, and magnetic field B applied along the c axis. A systematic study on the magnetic and electric phase diagrams in the x-T, B-T, and x-B planes has revealed important interplay between Mn d-electron spins and Gd f-electron moments. A clear anticorrelation between the (weak) ferromagnetism and the ferroelectricity is observed near the phase boundaries.

Original languageEnglish
Article number220403
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume72
Issue number22
DOIs
Publication statusPublished - 2005 Dec 1
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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