Anomalous Hall Effect of Reentrant Spin Glass System Fe1-xAlx (x-0.3)

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  • Kageyama Taketomo
    Department of Physics, Division of Material Science, Nagoya University
  • Aito Natsuki
    Department of Physics, Division of Material Science, Nagoya University
  • Iikubo Satoshi
    Department of Physics, Division of Material Science, Nagoya University
  • Sato Masatoshi
    Department of Physics, Division of Material Science, Nagoya University

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  • Anomalous Hall Effect of Reentrant Spin Glass System Fe<sub>1-<i>x</i></sub>Al<sub><i>x</i></sub>(<i>x</i>∼0.3)

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The anomalous Hall coefficient Rs has been studied for the reentrant spin glass system Fe0.7Al0.3 by measuring the magnetization M and the Hall resistivity ρH. We have found that Rs exhibits anomalous change of the temperature dependence at the spin–glass transition temperature TG, indicating that an additional term appears along with the beginning of the spin glass phase. The result is discussed in relation to the recent proposal of the chirality mechanism of the Hall effect in the spin glass phase.

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