Spin Noncollinearlity in Multiferroic Phase of Triangular Lattice Antiferromagnet CuFe_<1-x>Al_xO_2(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
スポンサーリンク
概要
- 論文の詳細を見る
We report a neutron diffraction study of the magnetic field- and impurity-induced ferroelectric states of the triangular lattice antiferromagnet CuFe_<1-x>Al_xO_2. The magnetic structure of the ferroelectric phase was elucidated to be not a cycloidal structure, which can successfully lead to the electric polarization through the formula P∝e_<ij>×(S_i×S_j) [H. Katsura et al.: Phys. Rev. Lett. 95 (2005) 057205], but a proper helical structure. Nevertheless, the fact that the helical magnetic ordering appears only in the ferroelectric phase among various magnetically ordered phases of CuFe_<1-x>Al_xO_2 strongly suggests that a spin noncollinearlity is relevant to the multiferroic nature in CuFe_<1-x>Al_xO_2.
- 社団法人日本物理学会の論文
- 2007-04-15
著者
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野田 幸男
Institute Of Multidisciplinary Research For Advanced Materials Tohoku University
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野田 幸男
阪大基礎工
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MITSUDA Setsuo
Department of Physics, Faculty of Science, Tokyo University of Science, Tokyo
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KIMURA Hiroyuki
Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
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NODA Yukio
Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
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Hiroyuki Kimura
Institute Of Multidisciplinary Research For Advanced Materials Tohoku University
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Kimura Hiroyuki
Institute Of Multidisciplinary Research For Advanced Materials Tohoku University
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NAKAJIMA Taro
Department of Physics, Faculty of Science, Tokyo University of Science
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KANETSUKI Shunsuke
Department of Physics, Faculty of Science, Tokyo University of Science
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PROKES Karel
BENSC (Berlin Neutron Scattering Center), Hahn-Meitner-Institut
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PODLESNYAK Andrei
BENSC (Berlin Neutron Scattering Center), Hahn-Meitner-Institut
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Mitsuda Setsuo
Department Of Physics Science University Of Tokyo
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Mitsuda Setsuo
Depertment Of Physics Science University Of Tokyo:guest Scientist At Bnl
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Mitsuda Setuo
Department Of Physics Faculty Of Science Tokyo University Of Science
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Mitsuda Setsuo
Department Of Physics Faculty Of Science Tokyo University Of Science Tokyo
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Mitsuda Setsuo
Department Of Physics Faculty Of Science Tokyo University Of Science
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Mitsuda Setsuo
Department Of Physics Faculty Of Science Science University Of Tokyo
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Mitsuda Setsuo
Physics Department Science University Of Tokyo
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Prokes Karel
Helmholtz‐zentrum Berlin Berlin Deu
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Noda Yukio
Institute Of Multidisciplinary Research For Advanced Materials Tohoku University
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Noda Yukio
Faculty Of 1engineering Sciences Osaka University
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Noda Yukiko
Institute Of Multidisciplinary Research For Advanced Materials Tohoku University
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Noda Yukio
Laboratory Of Soil Science Faculty Of Agriculture Kobe University
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Nakajima Taro
Department Of Physics Faculty Of Science Tokyo University Of Science
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Nakajima Taro
Department Of Chemical Systems And Engineering Graduate School Of Engineering Kyushu University
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Mitsuda Setsuo
Tokyo Univ. Sci. Tokyo
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NODA Yasuhisa
Sendai National College of Technology
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Kanetsuki Shunsuke
Department Of Physics Faculty Of Science Tokyo University Of Science
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Prokes Karel
Bensc (berlin Neutron Scattering Center) Hahn-meitner-institut
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Podlesnyak Andrei
Bensc (berlin Neutron Scattering Center) Hahn-meitner-institut
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NODA Yukio
Institute of Multidisciplinary Research for Advanced Materials
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MITSUDA Setsuo
Department of Physics, Faculty of Science, Tokyo University of Science
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Kimura Hiroyuki
Institute for Protein Research, Osaka University
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