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Paper   IPM / Nano-Sciences / 12107
School of Nano Science
  Title:   Effect of hydrogen adsorption on the quasiparticle spectra of graphene
  Author(s): 
1 . Mani Farjam
2 . D. Haberer
3 . A. Gruneis
  Status:   Published
  Journal: Phys. Rev. B
  No.:  19
  Vol.:  83
  Year:  2011
  Pages:   4
  Publisher(s):   American Physical Society
  Supported by:  IPM
  Abstract:
We use the noninteracting 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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