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Co3Sn2S2, a quasi-two-dimensional system with kagome lattice, has been foundas a magnetic Weyl semimetal recently. In this work, the anisotropies ofmagnetization and transport properties of Co3Sn2S2 were investigated. The highfield measurements reveal a giant magnetocrystalline anisotropy with anout-of-plane saturation field of 0.9 kOe and an in-plane saturation field of230 kOe at 2 K, showing a magnetocrystalline anisotropy coefficient Ku up to8.3 * 10^5 J m-3, which indicates that it is extremely difficult to align thesmall moment of 0.29 {\mu}B/Co on the kagome lattice from c axis to ab plane.The out-of-plane angular dependences of Hall conductivity further reveal stronganisotropies in Berry curvature and ferromagnetism, and the vector directionsof both are always parallel with each other. For in-plane situation, thelongitudinal and transverse measurements for both I parallel a and Iperpendicular a cases show that the transport on the kagome lattice isisotropic. These results provide essential understanding on the magnetizationand transport behaviors for the magnetic Weyl semimetal Co3Sn2S2.

On the anisotropies of magnetization and electronic transport of magnetic Weyl semimetal Co3Sn2S2