Figure 2.

Calculated band structures for graphene monolayer (a), clean α-SiO2(0001) slab, (b) and graphene/α-SiO2 interface (c). The dash line at 0 value denotes the Fermi level.

Ao et al. Nanoscale Research Letters 2012 7:158   doi:10.1186/1556-276X-7-158
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