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- Title
p- or n-Doping Effects on the Phonon Spectrum of Single- and Bi-Layer Graphene.
- Authors
Apostolov, A. T.; Apostolova, I. N.; Wesselinowa, J. M.
- Abstract
Using a microscopic model and the Green's function technique we have studied the phonon properties of ion doped single- and bilayer graphene. There are differences in the behavior of the energy and damping of the G and 2D modes in a p- and n-doped single-layer graphene. A microscopic explanation is proposed. The influence of the electron-phonon interaction is discussed. We report also phonon energy and damping renormalization in bi-layer graphene as a function of doping. The results are in qualitative agreement with the experimental data.
- Subjects
PHONONS; GRAPHENE; GREEN'S functions; ELECTRON-phonon interactions; RADIATION damping
- Publication
Bulgarian Journal of Physics, 2013, Vol 40, Issue 4, p307
- ISSN
1310-0157
- Publication type
Article