Effect of hydrogen adsorption on the quasiparticle spectra of graphene

Abstract

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.

arXiv comment4 pages, 3 figures, minor corrections to text

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• Resonant scattering due to adatoms in graphene: top, bridge, and hollow position
• Defect-induced magnetism and Yu-Shiba-Rusinov states in twisted bilayer graphene
• First-principles study of bandgap effects in graphene due to hydrogen adsorption
• Visualizing influence of point defects on electronic band structure of graphene
• Impurity resonance effects in graphene $vs$ impurity location, concentration and sublattice occupation
• Effect of dilute impurities on short graphene Josephson junctions
• Local analysis of a single impurity on a graphene Josephson Junction