Colossal anomalous Hall effect in the layered antiferromagnetic EuAl <sub>2</sub> Si <sub>2</sub> compound
Jie Chen, Xiuxian Yang, Feng Zhou, Yong‐Chang Lau, Wanxiang Feng, Yugui Yao, Yue Li, Yong Jiang, Wenhong Wang
Abstract
The anomalous AHE induced by the skew scattering mechanism can obtain a large AHC but a small AHA in the clean regime. Here, we observed a colossal AHC (≥ 10 4 Ω −1 cm −1 ) and large AHA (> 10%) at the same time in EuAl 2 Si 2 .
Topics & Concepts
Hall effectCondensed matter physicsBerry connection and curvatureAntiferromagnetismSkewScatteringMaterials scienceCurvatureElectrical resistivity and conductivityPhysicsOpticsGeometric phaseGeometryQuantum mechanicsAstronomyMathematicsRare-earth and actinide compoundsTopological Materials and PhenomenaQuantum and electron transport phenomena