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Journal Article

Symmetry breaking in few layer graphene films

MPS-Authors
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Ohta,  Taisuke
Molecular Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons21640

Horn,  Karsten
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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njp7_10_385.pdf
(Publisher version), 3MB

319496.pdf
(Preprint), 855KB

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Citation

Bostwick, A., Ohta, T., McChesney, J. L., Emtsev, K. V., Seyller, T., Horn, K., et al. (2007). Symmetry breaking in few layer graphene films. New Journal of Physics, 9: 385. doi:10.1088/1367-2630/9/10/385.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0010-FF78-F
Abstract
Recently, it was demonstrated that the quasiparticle dynamics, the layer-dependent charge and potential, and the c-axis screening coefficient could be extracted from measurements of the spectral function of few layer graphene films grown epitaxially on SiC using angle-resolved photoemission spectroscopy (ARPES). In this paper we review these findings, and present detailed methodology for extracting such parameters from ARPES. We also present detailed arguments against the possibility of an energy gap at the Dirac crossing ED.