Hexagonal warping effect in the Janus group-VIA binary monolayers with large Rashba spin splitting and piezoelectricity
Shaobo Chen, San‐Dong Guo, Wanjun Yan, Zhao-Yi Zeng, Mei Xu, Xiang-Rong Chen, Hua-Yun Geng
Abstract
Based on the k · p model, at a small constant energy surface, the Rashba spin splitting has a linear relationship with momentum k , while Hexagonal warping effect and a nonzero spin projection component S z arise at a larger constant energy surface due to nonlinear k 3 terms.
Topics & Concepts
JanusPiezoelectricityCondensed matter physicsPoint reflectionAsymmetryImage warpingSpintronicsMonolayerMaterials sciencePhysicsNanotechnologyQuantum mechanicsComputer scienceArtificial intelligenceComposite materialFerromagnetism2D Materials and ApplicationsHeusler alloys: electronic and magnetic propertiesTopological Materials and Phenomena