KALESAKI, E., Delerue, C., Morais Smith, C., Beugeling, W., Allan, G., & Vanmaekelbergh, D. (30 January 2014). Dirac Cones, Topological Edge States, and Nontrivial Flat Bands in Two-Dimensional Semiconductors with a Honeycomb Nanogeometry.
Physical Review X, 4 (1), 011010. doi:10.1103/PhysRevX.4.011010
https://hdl.handle.net/10993/18058