Surface band structure of ${\text{Bi}}_{1-x}{\text{Sb}}_x$(111)

Hadj M. Benia, Carola Straßer, Klaus Kern +1

Theoretical and experimental studies agree that ${\text{Bi}}_{1-x}{\text{Sb}}_x$ ($0.07\le x\le 0.21$) to be a three-dimensional topological insulator. However, there is still a…