Polarization dependence of x-ray absorption spectra in graphene

M. T. Chowdhury, R. Saito, M. S. Dresselhaus

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


We calculate the x-ray absorption spectra (XAS) for 1s-π⊃* and 1s-σ⊃* transitions in single layer graphene using the dipole approximation and we compare with experimental results. It is found that the in-plane and out-of-plane orientations of the dipole vectors, which correspond to the 1s-π⊃* and 1s-σ⊃* transitions, respectively, are responsible for the polarization dependence of the x-ray absorption intensity in graphene. Using the atomic matrix elements, the low-energy XAS peaks can be assigned.

Original languageEnglish
Article number115410
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number11
Publication statusPublished - 2012 Mar 9

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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