Ferroelectricity Induced by Incommensurate-Commensurate Magnetic Phase Transition in Multiferroic HoMn_2O_5(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

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概要

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• Neutron diffraction measurements under high magnetic fields in multiferroic HoMn_2O_5 have revealed a clear relationship between microscopic magnetism and field-induced ferroelectricity. The applied magnetic field induces a first-order phase transition from an incommensurate magnetic order to a commensurate magnetic order, where a spontaneous electric polarization occurs. The one-to-one correspondence between the magnetic phase diagram and the dielectric phase diagram under magnetic field clearly indicates that the electric polarization is magnetically induced and the commensurate magnetic structure is indispensable to the ferroelectricity in the multiferroic RMn_2O_5 system.

• 社団法人日本物理学会の論文
• 2006-11-15

著者

• METOKI Naoto

  Advanced Research Center, Japan Atomic Energy Research Institute

• Kindo K

  Advanced Science Research Center Japan Atomic Energy Agency

• Kindo K

  Institute For Solid State Physics The University Of Tokyo

• Kindo K.

  Research Center For Materials Science At Extreme Conditions Osaka University

• 野田 幸男

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• 野田 幸男

  阪大基礎工

• KIMURA Hiroyuki

  Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

• NODA Yukio

  Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

• Kindo Koichi

  Research Center For Materials Science At Extreme Conditions Osaka University

• KANEKO Koji

  Advanced Science Research Center, Japan Atomic Energy Agency

• KANEKO Koji

  Japan Atomic Energy Agency

• METOKI Naoto

  Japan Atomic Energy Agency

• KOHN Kay

  Department of Physics, Waseda University

• KAMADA Youichi

  Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

• KOHN Key

  Department of Physics, Waseda University

• Hiroyuki Kimura

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• Kimura Hiroyuki

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• Kindo K

  Kyokugen Osaka University

• Kindo Koichi

  Japan Atomic Energy Agency

• Kishio K

  Inst. For Solid State Physics The Univ. Of Tokyo

• Kindo Koichi

  The Institute For Solid State Physics The University Of Tokyo

• 木村 初男

  名古屋大学

• Kosuge Koji

  Department Of Chemistry Kyoto University

• Kohn K

  Department Of Physics Waseda University

• KIMURA Hidekazu

  Department of Physics,Faculty of Science,Okayama University

• Kimura Hiroyuki

  Tohoku Univ. Sendai

• Kosuge Koji

  Department Of Chemistry Graduate School Of Science Kyoto University

• Kohn Kay

  Department Of Applied Physics School Of Science And Engineering Waseda University

• Noda Yukio

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• Noda Yukio

  Faculty Of 1engineering Sciences Osaka University

• Noda Yukiko

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• Noda Yukio

  Laboratory Of Soil Science Faculty Of Agriculture Kobe University

• Kato K

  Japan Synchrotron Radiation Research Institute/spring-8

• Kamada Youichi

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• Mori N

  Advanced Science Research Center Japan Atomic Energy Agency

• NODA Yasuhisa

  Sendai National College of Technology

• Kindo Koichi

  Faculty Of Science Osaka University

• Metoki Naoto

  Advanced Research Center Japan Atomic Energy Research Institute

• Koga K

  Department Of Superconductivity University Of Tokyo

• 木村 初男

  Institute Of Materials Structure Science High Energy Accelerator Research Organization (kek)

• Kohan Kay

  Department Of Physics Waseda University

• Kohn Key

  Department Of Physics Waseda University

• Kaneko Koji

  Advanced Science Research Center Japan Atomic Energy Research Institute

• Noda Yukio

  Tohoku Univ. Sendai

• NODA Yukio

  Institute of Multidisciplinary Research for Advanced Materials

• Kimura Hiroyuki

  Institute for Protein Research, Osaka University

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