Build Graphene with Material Studio
1) File -> Import -> Structures -> ceramics -> graphite.msi;
2) Build -> Symmetry -> Make P1;
3) Remove one of the two layers;
4) Build -> Symmetry -> Find Symmetry -> Impose Symmetry;
5) Build -> Symmetry -> Supercell 2*2*2;
6) Build -> Crystals -> Rebuild Crystal -> Lattice
Parameters -> a=4.26, b=2.46, c=25, alpha=beta=gamma=90 ->
Rebuild;
7) Build -> Symmetry -> Supercell 5*5*1.