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Phonon-induced linewidths of graphene electronic bands

Journal article
Authors Bo Hellsing
Thomas Frederiksen
Frederico Mazzola
Thiagarajan Balasubramanian
Justin Wells
Published in Physical Review B Condensed Matter
Volume 98
Pages 205428
ISSN 0163-1829
Publication year 2018
Published at Department of Physics (GU)
Pages 205428
Language en
Links fy.chalmers.se/~hellsing/publicatio...
Keywords electron-phonon coupling , phonon and electron band structure of graphene
Subject categories Electronic structure, Condensed Matter Physics

Abstract

The linewidths of the π and σ bands originating from the electron-phonon coupling in graphene are analyzed based on model calculations and experimental angle-resolved photoemission spectroscopy (ARPES) data. We find evidence for crucial contributions to the lifetime broadening from interband scattering π → σ and σ → π , respectively, driven by the out-of-plane ZA acoustic phonons.

Page Manager: Webmaster|Last update: 9/11/2012
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