Anomalous Hall effect in weak-itinerant ferrimagnet FeCr2Te4
Abstract
We carried out a comprehensive study of electronic transport, thermal and thermodynamic properties in FeCr2Te4 single crystals. It exhibits bad-metallic behavior and anomalous Hall effect (AHE) below a weak-itinerant paramagentic-to-ferrimagnetic transition Tc 123 K. The linear scaling between the anomalous Hall resistivity xy and the longitudinal resistivity xx implies that the AHE in FeCr2Te4 is most likely dominated by extrinsic skew-scattering mechanism rather than intrinsic KL or extrinsic side-jump mechanism, which is supported by our Berry phase calculations.
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