Figure 1.

SEM images of a monolayer graphene islands grown on the C-face of an 8° off-axis 4H-SiC substrate. (a, b) Images of the largest homogeneous SLEG islands, (c) early growth, (d) zoomed image with visible wrinkles, (e, f) example of starting nucleation point by a surface defect with step bunching clearly visible in (f).

Camara et al. Nanoscale Research Letters 2011 6:141   doi:10.1186/1556-276X-6-141
Download authors' original image