Effect of hydrogen adsorption on the quasiparticle spectra of graphene

Physics – Condensed Matter – Mesoscale and Nanoscale Physics

Scientific paper

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4 pages, 3 figures, minor corrections to text

Scientific paper

10.1103/PhysRevB.83.193411

We use the non-interacting tight-binding model to study the effect of isolated hydrogen adsorbates on the quasiparticle spectra of single-layer graphene. Using the Green's function approach, we obtain analytic expressions for the local density of states and the spectral function of hydrogen-doped graphene, which are also numerically evaluated and plotted. Our results are relevant for the interpretation of scanning tunneling microscopy and angle-resolved photoemission spectroscopy data of functionalized graphene.

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