Strain Engineering of the Band Gap of HgTe Quantum Wells using Superlattice Virtual Substrates

Philipp Leubner, Lukas Lunczer, Christoph Brüne +2

The HgTe quantum well (QW) is a well-characterized two-dimensional topological insulator (2D-TI). Its band gap is relatively small (typically on the order of 10 meV), which restric…