Sudden gap-closure across the topological phase transition in Bi${}_{2-x}$In${}_x$Se${}_3$

Rui Lou, Zhonghao Liu, Wencan Jin +10

The phase transition from a topological insulator to a trivial band insulator is studied by angle-resoled photoemission spectroscopy on Bi${}_{2-x}$In${}_x$Se${}_3$ single crystals.…