Figure 1.

Raman spectra of carbon films. The films were grown by carbon MBE at 900°C on MgF2(100), CaF2(100), and BaF2(111). The pronounced 2D peak at approximately 2,700 cm−1 confirms that nanocrystalline graphite is formed on MgF2.

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