Figure 2.

Band structures of various 2D materials. (a) Flat germanene, (b) flat silicene, (c) graphene, (d) low-buckled germanene, (e) low-buckled silicene, and (f) MoS2 monolayer.

Li et al. Nanoscale Research Letters 2014 9:110   doi:10.1186/1556-276X-9-110
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