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(a) Synchrotron PES spectra in the low-kinetic energy region (secondary electron cutoff) during the deposition of on EG. Spectra are measured with photon energy of 60 eV. (b) The plot of the sample work function and of EG as a function of the coverage.
Synchrotron PES core level spectra during the deposition of on EG: (a) , (b) , and (c) . All spectra are measured with photon energy of 350 eV.
Dispersion of -bands for (a) as grown bilayer graphene on 4H–SiC(0001) and (b) after deposition of 0.2 nm , as measured by ARPES with photon energy of 60 eV and at room temperature.
Schematic energy diagrams show the effective surface transfer hole doping of EG using thin film.
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