Structural and Magnetic Properties of Spinel FeV_2O_4 with Two Ions Having Orbital Degrees of Freedom(Condensed matter : electronics structure and electrical, magnetic, and optical properties)

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概要

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• Spinel FeV_2O_4 with orbital degrees of freedom both at the Fe^<2+> and V^<3+> ions exhibits successive structural phase transitions. We studied this structural and magnetic properties as well as the correlation between the two. We found that the crystalline domains in the tetragonal or orthorhombic phases can be aligned by the applied magnetic field, inducing a large magnetostriction (〜1%). The competition and cooperation of Fe^<2+> and V^<3+> orbitals is the possible origin of these intriguing properties in FeV_2C_4.

• 2008-05-15

著者

• ARIMA Taka-hisa

  Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

• Arima Taka-hisa

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• Arima Taka-hisa

  Institute Of Materials Science University Of Tsukuba

• Suzuki Takehito

  Department Of Electrical And Electronic Engineering Ibaraki University

• SAGAYAMA Hajime

  Institute of Materials Structure Science, High Energy Accelerator Research Organization

• Takata Masaki

  Rlken Spring-8:jasri Spring-8:crest Japan Science And Technology Agency

• Sagayama Hajime

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• Sagayama Hajime

  Institute Of Materials Structure Science High Energy Accelerator Research Organization

• KATSUFUJI Takuro

  Department of Advanced Materials Science, University of Tokyo

• SHINGU Masao

  Departments of Clinical Immunology and Pathology, Medical Institute of Bioregulation, Kyushu Univers

• TAKEI Haruki

  Department of Physics, Waseda University

• KATO Kenichi

  RlKEN SPring-8

• OSAKA Keiichi

  JASRI SPring-8

• Kato Kenichi

  Rlken Spring-8:jasri Spring-8:crest Japan Science And Technology Agency

• Shingu Masao

  Department Of Physics Waseda University

• Takei Haruki

  Department Of Physics Waseda University

• Katsufuji Takuro

  Department Of Physics Waseda University:kagami Memorial Laboratory For Material Science And Technolo

• SUZUKI Takehito

  Department of Physics, Waseda University

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