Fig 5
From: Graphene-Based Flexible and Transparent Tunable Capacitors
SEM image of BMN film grown on graphene/Cu (a) and Au substrate (b). c A piece of graphene on BMN film. d Cross-section HRTEM image of the BMN film on graphene/Cu. (e) Cross-section HRTEM image of the BMN film on Au substrate. f HRTEM image of the graphene-covered BMN grain, the inset shows the hexagonal symmetry lattice points of graphene