Magnetic Properties and Crystal Distortion of Hexagonal Mn3Ga

  • Niida Hiroshi
    Laboratory of Physics, Faculty of General Education, Shibaura Institute of Technology
  • Hori Tomiei
    Laboratory of Physics, Faculty of General Education, Shibaura Institute of Technology
  • Nakagawa Yasuaki
    The Research Institute for Iron, Steel and Other Metals, Tohoku University

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タイトル別名
  • Magnetic Properties and Crystal Distortion of Hexagonal Mn<SUB>3</SUB> Ga
  • Magnetic Properties and Crystal Distort

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説明

Magnetization measurements and X-ray diffraction experiments have been made on ε-Mn3Ga (71.4 at%Mn) having a triangular spin structure with a weak ferromagnetic component below 460 K. It has been found that the D019-type hexagonal structure is slightly distorted to an orthorhombic structure below 170 K, and that the transition is accompanied by a steep increase of spontaneous magnetization. The crystal distortion may enhance the deviation from the ideal triangular spin configuration.

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