Observation of Dirac bands in artificial graphene in small-period nanopatterned GaAs quantum wells

Observation of Dirac bands in artificial graphene in small-period nanopatterned GaAs quantum wells
Sheng Wang, Diego Scarabelli, Lingjie Du, Yuliya Y. Kuznetsova, Loren N. Pfeiffer, Ken W. West, Geoff C. Gardner, Michael J. Manfra, Vittorio Pellegrini, Shalom J. Wind, Aron Pinczuk.. Nature Nanotechnology [PDF]