Topological insulator in a Bi-Bi${}_2$Se${}_3$ infinitely adaptive superlattice phase

T. Valla, Huiwen Ji, L. M. Schoop +10

We report spin- and angle-resolved photoemission studies of a topological insulator from the infinitely adaptive series between elemental Bi and Bi${}_2$Se${}_3$. The compound, based o…