@article{padilha2013quantum,
  title={Quantum spin Hall effect in a disordered hexagonal Si<sub>x</sub>Ge<sub>1-x</sub> alloy},
  author={Padilha, JE and Seixas, L and Pontes, Renato B and da Silva, Ant{\^o}nio JR and Fazzio, Adalberto},
  journal={Phys. Rev. B},
  volume={88},
  number={20},
  pages={201106},
  year={2013},
  publisher={APS},
  doi={10.1103/PhysRevB.88.201106}
}