STM imaging of a bound state along a step on the surface of the topological insulator Bi${}_2$Te${}_3$

Zhanybek Alpichshev, J. G. Analytis, J. -H. Chu +2

Detailed study of the LDOS associated with the surface-state-band near a step-edge of the strong topological-insulator Bi2Te3, reveal a one-dimensional bound state that runs parall…