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Electron-phonon coupling in potassium-doped graphene: Angle-resolved photoemission spectroscopy
- Source :
- Phys. Rev. B 81, 041403(R) (2010)
- Publication Year :
- 2009
-
Abstract
- The electron-phonon coupling in potassium-doped graphene on Ir(111) is studied via the renormalization of the pi* band near the Fermi level, using angle-resolved photoemission spectroscopy. The renormalization is found to be fairly weak and almost isotropic, with a mass enhancement parameter of lambda= 0.28(6) for both the K-M and the K-G direction. These results are found to agree well with recent first principles calculations.<br />Comment: 5 pages, 3 figures
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. B 81, 041403(R) (2010)
- Publication Type :
- Report
- Accession number :
- edsarx.0910.4126
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevB.81.041403