Figure 5

EBSD measurements to compare the orientation of h-BN flakes and the facet of the underlying Cu.
(a) is the EBSD data of large area of Cu (with 2 hours of Ar pre-annealing) surface with short time annealing (Ar/H2), after h-BN grown on; (b) is the corresponding SEM data of (a); (c) is the EBSD image of small size Cu foil with many domains having different crystal orientations on; (d) is the corresponding SEM image of (c).