Figure 4.

Series of the ARPES spectra obtained on graphene/Ni(111), H2O/graphene/Ni(111), and NH3/graphene/Ni(111) along the Γ-K direction of the Brillouin zone. The amounts of water and ammonia were estimated as 0.5 of the ML. These data were collected with the photon energy of 75 eV.

Böttcher et al. Nanoscale Research Letters 2011 6:214   doi:10.1186/1556-276X-6-214
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