Probing Topological Surface States and Conduction via Extended Defects in (Bi${}_{1-x}$Sb${}_x$)${}_2$Te${}_3$ Films

Abby Liu, Armando Gil, Moon-ki Choi +10

(Bi${}_{1-x}$Sb${}_x$)${}_2$Te${}_3$ alloys are non-degenerate topological insulators (TIs) whose Dirac point (DP) can be tuned within the bulk bandgap by varying the composition, effectiv…