Magnetic properties of the HoMn2Ge2 intermetallic compound |
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| Authors: | Guo Guanghua M V Eremin N P Kolmakova A S Lagutin R Z Levitin |
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| Institution: | (1) Moscow State University, Vorob’evy gory, Moscow, 119899, Russia;(2) Bryansk State Technical University, Bryansk, 241035, Russia;(3) Institute of Molecular Physics, Russian Research Centre Kurchatov Institute, pl. Akademika Kurchatova 1, Moscow, 123182, Russia |
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| Abstract: | The magnetic properties of a tetragonal intermetallic compound, namely, HoMn2Ge2, are investigated experimentally and theoretically. The experimental temperature dependences of the initial magnetic susceptibility and the lattice parameters are obtained in alternating and static magnetic fields. The magnetization curves are measured in strong magnetic fields up to 50 T. The parameters of the crystal field and Ho-Mn and Mn-Mn exchange interactions are determined, and the temperature dependence of the magnetic field of the phase transition from an antiferromagnetic phase to a ferromagnetic phase in a magnetic field aligned along the tetragonal axis is calculated. |
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