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Advanced Experimental Methods for Low-temperature Magnetotransport Measurement of Novel Materials
Published on: January 21, 2016
In-plane anomalous Hall effect in hard magnetic Weyl semimetal Co3Sn2S2
Lei Dong1, Fenglin Zhu2, Wenwen Kou1
1School of Electronic and Information Engineering, Tiangong University, Tianjin 300387, People's Republic of China.
Abstract:
Recent in-plane anomalous Hall effect (AHE) induced by external magnetic field drawn significant attention. The magnetic topological Weyl semimetal is a good platform to investigated the intrinsic in-plane AHE. The magnetic field induced Hall response in magnetic materials remained undetected. Here, we report field induced in-plane AHE in typical Weyl semimetal Co3Sn2S2with hard ferromagnetic properties. We carried out a proper method to separate the pure in-plane anomalous Hall signal. The in-plane anomalous Hall resistivity and conductivity are approximately 0.1μΩ⋅cm, and 31.6S⋅cm-1at 2 K and 9 T. It features a distinct three-fold symmetry, and follows a ∼B3dependence. We argued that intrinsic mechanism is the main origin. Our results can give a broader understanding of the in-plane anomalous Hall response in hard ferromagnetic materials.
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