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Chemical doping-induced flop of ferroelectric polarization in multiferroic Mn0.9Co0.1WO4
- Song, Y. -S.;
- Yan, Li Qin;
- Lee, Bumsung;
- Chun, Sae Hwan;
- Kim, Kee Hoon;
- ... Chung, J. -H.;
- 외 4명
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28초록
We studied the multiferroic properties of the incommensurate spiral phase of Mn1-xCoxWO4 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 degrees 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.
키워드
NEUTRON POWDER DIFFRACTION; MAGNETIC-STRUCTURE; MNWO4; TRANSITIONS; SINQ
- 제목
- Chemical doping-induced flop of ferroelectric polarization in multiferroic Mn0.9Co0.1WO4
- 저자
- 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.
- 발행일
- 2010-12-15
- 유형
- Article
- 권
- 82
- 호
- 21
- 언어
- ENG
- 출판사
- AMER PHYSICAL SOC
- 발행국가
- 미국
- ISSN
- P 1098-0121