Figure 4.

AFM images of graphitic carbon on MgF2. AFM images of 1 × 1 μm (a) before and (b) after the graphitic carbon growth on MgF2. The mean roughness parameters, Ra, from 1 × 1 μm scans are (a) 0.97 and (b) 2.45 nm, respectively.

Jerng et al. Nanoscale Research Letters 2013 8:11   doi:10.1186/1556-276X-8-11
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