(a) (Color online) Fabrication steps for synthesizing FLG; (b) Optical micrograph of FLG floating on FeCl3 aqueous solution and deionized water.
Raman spectra of a-C/Ni/SiO2/Si samples annealed at different temperatures with thickness of a-C films of (a) 10 nm and (b) 18 nm.
Variation of (a) I2D/IG, (b) ID/IG, and (c) FWHM2D of a-C/Ni/SiO2/Si samples vs annealing temperatures.
(Color online) Optical image of FLG transferred on SiO2/Si substrate.
Typical SEM micrograph of FLG transferred on SiO2/Si substrate.
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