Distinct Topological Surface States on the Two Terminations of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>MnBi</mml:mi></mml:mrow><mml:mrow><mml:mn>4</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>Te</mml:mi></mml:mrow><mml:mrow><mml:mn>7</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:mrow></mml:math>
Xuefeng Wu, Jiayu Li, Xiao-Ming Ma, Yu Zhang, Yuntian Liu, Chun-Sheng Zhou, Jifeng Shao, Qiaoming Wang, Yu-Jie Hao, Yue Feng, Eike F. Schwier, Shiv Kumar, Hongyi Sun, Pengfei Liu, Kenya Shimada, Koji Miyamoto, Taichi Okuda, Kedong Wang, Maohai Xie, Chaoyu Chen, Qihang Liu, Chang Liu, Yue Zhao
Abstract
Experiments reveal that unusual surface behavior at the terminations of a recently discovered magnetic topological insulator depends on the interplay between different building blocks within the material.
Topics & Concepts
Topological insulatorSurface statesSurface (topology)PhysicsCondensed matter physicsTopology (electrical circuits)Topological defectFerromagnetismInsulator (electricity)Theoretical physicsDomain (mathematical analysis)Magnetic monopoleTopological Materials and PhenomenaChemical and Physical Properties of Materials2D Materials and Applications