@article{seixas2015vertical,
  title={Vertical twinning of the Dirac cone at the interface between topological insulators and semiconductors},
  author={Seixas, L and West, D and Fazzio, A and Zhang, SB},
  journal={Nat. Commun.},
  volume={6},
  number={1},
  pages={7630},
  year={2015},
  publisher={Nature Publishing Group UK London},
  doi={10.1038/ncomms8630}
}