Chemical doping-induced flop of ferroelectric polarization in multiferroic Mn0.9 Co0.1 WO4

Y. S. Song, Li Qin Yan, Bumsung Lee, Sae Hwan Chun, Kee Hoon Kim, Sung Baek Kim, A. Nogami, T. Katsufuji, J. Schefer, J. H. Chung

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Abstract

We studied the multiferroic properties of the incommensurate spiral phase of Mn1-x Cox WO4 using single-crystal neutron-diffraction and ferroelectric measurements. Whereas the rotational plane of the spin spiral is parallel to the b axis for x≤0.05, it flops by 90°for x=0.10. As a result, the direction of the ferroelectric polarization also flops from the b to the a axis. These results show that the orientation of the ferroelectric polarization in MnWO4 can be controlled via chemical doping.

Original languageEnglish
Article number214418
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume82
Issue number21
DOIs
Publication statusPublished - 2010 Dec 15

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Song, Y. S., Yan, L. Q., Lee, B., Chun, S. H., Kim, K. H., Kim, S. B., Nogami, A., Katsufuji, T., Schefer, J., & Chung, J. H. (2010). Chemical doping-induced flop of ferroelectric polarization in multiferroic Mn0.9 Co0.1 WO4. Physical Review B - Condensed Matter and Materials Physics, 82(21), [214418]. https://doi.org/10.1103/PhysRevB.82.214418