Observation of New Magnetic Phases in Ce2Fe17 under High Pressure and High Magnetic Fields.

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  • Koyama Keiichi
    Institute for Solid State Physics, University of Tokyo, Roppongi, Minato–ku, Tokyo 106–8666
  • Goto Tsuneaki
    Institute for Solid State Physics, University of Tokyo, Roppongi, Minato–ku, Tokyo 106–8666
  • Fujii Hironobu
    Faculty of Integrated Arts and Sciences, Hiroshima University, Higashi–Hiroshima 739–0046
  • Takeshita Nao
    Institute for Solid State Physics, University of Tokyo, Roppongi, Minato–ku, Tokyo 106–8666
  • Mori Nobuo
    Institute for Solid State Physics, University of Tokyo, Roppongi, Minato–ku, Tokyo 106–8666
  • Fukuda Hidetaka
    Faculty of Integrated Arts and Sciences, Hiroshima University, Higashi–Hiroshima 739–0046
  • Janssen Yuri
    Van der Waals–Zeeman Institute, University of Amsterdam, Amsterdam, The Netherlands

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Other Title
  • Observation of New Magnetic Phases in C
  • Observation of New Magnetic Phases in Ce<sub><b>2</b></sub>Fe<sub><b>17</b></sub>under High Pressure and High Magnetic Fields

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Magnetization and electrical resistivity measurements have been performed for Ce2Fe17 under high pressures of up to 1.2, GPa and high magnetic fields of up to 17, T. At ambient pressure, two antiferromagnetic phases appear at TN=215, K and Tc=125, K with decreasing temperature. A metamagnetic transition from the antiferromagnetic to the forced ferromagnetic state is observed at 4.2, K. The transition field increases with increasing pressure, whereas the saturation magnetization, saturation field and TN decrease. New magnetic phases, which are different from the two antiferromagnetic and forced ferromagnetic phases, are observed under high pressure and high magnetic fields.

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