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

doi:10.1103/PhysRevB.82.214418

Chemical doping-induced flop of ferroelectric polarization in multiferroic Mn_0.9 Co_0.1 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

Department of Physics

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

We studied the multiferroic properties of the incommensurate spiral phase of Mn_1-x Co_x 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 language	English
Article number	214418
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	82
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevB.82.214418
Publication status	Published - 2010 Dec 15

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Chemical doping-induced flop of ferroelectric polarization in multiferroic Mn_0.9 Co_0.1 WO₄. / Song, Y. S.; Yan, Li Qin; Lee, Bumsung; Chun, Sae Hwan; Kim, Kee Hoon; Kim, Sung Baek; Nogami, A.; Katsufuji, T.; Schefer, J.; Chung, J. H.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 82, No. 21, 214418, 15.12.2010.

Research output: Contribution to journal › Article › peer-review

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AU - Nogami, A.

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AU - Schefer, J.

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