Figure 3From: Dynamics of mechanical waves in periodic graphene nanoribbon assemblies Mode shapes (real parts) for a (8,0) GNR (length 15.854 nm) with propagation constant k x = π /4 along the zigzag direction. (a) ω 1 = 8.84 GHz; (b) ω 2 = 29.35 GHz; (c) ω 3 = 52.5 GHz; (d) ω 4= 82.5 GHz.Back to article page