Coexistence of Surface and Bulk Ferromagnetism Mimics Skyrmion Hall Effect in a Topological Insulator
K. M. Fijalkowski, M. Hartl, M. Winnerlein, P. Mandal, S. Schreyeck, K. Brunner, C. Gould, L. W. Molenkamp
Abstract
Experiments reveal that two ferromagnetic states coexist in (V,Bi,Sb)${}_{2}$Te${}_{3}$, a prototypical quantum anomalous Hall effect system, which could provide insight into this material's unusual magnetic behavior.
Topics & Concepts
Condensed matter physicsFerromagnetismSkyrmionQuantum anomalous Hall effectTopological insulatorQuantum Hall effectPhysicsHall effectQuantum spin Hall effectMagnetic fieldInsulator (electricity)Surface (topology)QuantumQuantum dotSurface statesWeak localizationMagnetic domainThermal Hall effectDomain wall (magnetism)Quantum mechanicsTopological Materials and PhenomenaChemical and Physical Properties of MaterialsQuantum and electron transport phenomena