Spontaneous valley polarization and valley-nonequilibrium quantum anomalous Hall effect in Janus monolayer ScBrI
Jia Kang, Xiao-Jing Dong, Sheng-shi Li, Wei-xiao Ji, Changwen Zhang
Abstract
By obtaining the real magnetic anisotropy energy (MAE) under different strains, when 1.5% < ε < 1.8%, due to spontaneous valley polarization, intrinsic out-of-plane (OOP) magnetic anisotropy, and a chiral edge state, the VQAHE can reliably appear between two HVM states.
Topics & Concepts
Condensed matter physicsJanusBerry connection and curvatureAnisotropySpintronicsPhysicsMagnetizationTopology (electrical circuits)Materials scienceMagnetic fieldFerromagnetismNanotechnologyQuantum mechanicsGeometric phaseCombinatoricsMathematics2D Materials and ApplicationsTopological Materials and PhenomenaGraphene research and applications