Figure 2.

Raman map of graphitic carbon on MgF2. (a) The intensity ratio of the D peak to the G peak is mapped over 10 × 10 μm. The distributions, shown in (b), imply a high spatial uniformity.

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