Anomalous Hall effect in trigonal Cr${}_5$Te${}_8$ single crystal

Abstract

We report anomalous Hall effect (AHE) and transport properties of trigonal Cr${}_5$Te${}_8$ (tr-Cr${}_5$Te${}_8$) single crystals. The electrical resistivity as well as the Seebeck coefficient shows a clear kink at the paramagnetic-ferromagnetic transition of tr-Cr${}_5$Te${}_8$, which is also confirmed by the heat capacity measurement. The scaling behavior between anomalous Hall resistivity ${\rho }_{xy}^A$ and longitudinal resistivity ${\rho }_{xx}$ is linear below $T_c$. Further analysis suggests that the AHE in tr-Cr${}_5$Te${}_8$ is dominated by the skew-scattering mechanism rather than the intrinsic or extrinsic side-jump mechanism.

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• Significant electron-magnon scattering in layered ferromagnet Cr${}_2$Te${}_3$
• Peculiar magnetic and magneto-transport properties in a non-centrosymmetric self-intercalated van der Waals ferromagnet Cr5Te8
• Layered Topological Antiferromagnetic Metal at Room Temperature -- YbMn${}_2$Ge${}_2$