Graphene-capped bismuthene on SiC as a platform for correlated quantum spin Hall edge states

Huu Thoai Ngo, Zamin Mamiyev, Niclas Tilgner +4

Epitaxial bismuthene on SiC(0001) hosts symmetry-protected metallic edge states within a large bulk band gap, establishing it as a promising two-dimensional topological insulator f…