Magnetic Anisotropy of Paramagnetic and Ferromagnetically Ordered State of Single Crystal BaVSe_3(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

概要

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Anisotropic magnetism of single crystal BaVSe_3 was studied for the first time by the combination of the susceptibility and torque methods. As reported previously for polycrystalline sample, BaVSe_3 undergoes ferromagnetic ordering below 43K. Well above ferromagnetic ordering temperature, the torque measurements reveal a continuous symmetry change that influences the ordered state accordingly. We found ferromagnetic easy axis in the vanadium chain direction, i.e., along the crystallographic c-axis. The presence of two ferromagnetic domains of opposite magnetization direction signifies uniaxial symmetry of the ordered ferromagnetic state.
社団法人日本物理学会の論文
2008-09-15