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has been cited by the following article:

• TITLE: Observation of Electron-Phonon Couplings and Fano Re-sonances in Epitaxial Bilayer Graphene

  AUTHORS: J. M. Baranowski, M. Mozdzonek, P. Dabrowski, K. Grodecki, P. Osewski, W. Kozlowski, M. Kopciuszynski, W. Strupinski

  KEYWORDS: Epitaxial Graphene; Fano Resonance; Phonons

  JOURNAL NAME: Graphene, Vol.2 No.4, October 29, 2013

  ABSTRACT: The results of optical investigation of hydrogenated epitaxial bilayer graphene are presented. A softening and an increase of the intensity of the in-plane anti-symmetric phonon mode are observed at 0.2eV. It is suggested that they both originate from coupling of the optically active phonon mode to virtual electronic transitions, which is related to the band structure of bilayer graphene and leads to the “charged phonon” effect. In addition, it is noted that optically active phonon peaks have pronounced Fano shapelines. It is argued that the Fano shapeline is attributed to the interaction of the phonon mode with a continuum of electronic transitions in valence bands of hydrogenated bilayer graphene.