Anisotropic Surface State Band Splitting and Low Energy Flat Bands in 3d Correlated Topological Kondo Insulator Candidate FeSb${}_2$

Ziling Cao, Jie Pang, Yu Xu +22

FeSb${}_2$ is a correlated narrow-gap semiconductor that has often been discussed as a $3d$-electron Kondo insulator candidate and exhibits a low-temperature resistance plateau with…