Anomalous Hall Effect of Reentrant Spin Glass System Fe1-xAlx (x ~ 0.3)
Abstract
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 rH. We have found that Rs exhibits anomalous 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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