Electron-phonon interactions in graphene, bilayer graphene, and graphite.
Using first-principles techniques, we calculate the renormalization of the electron Fermi velocity and the vibrational lifetimes arising from electron-phonon interactions in doped bilayer graphene and in graphite and compare the results with the corresponding quantities in graphene. For similar leve...
| Autori principali: | , , , |
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| Natura: | Journal article |
| Lingua: | English |
| Pubblicazione: |
2008
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| _version_ | 1826260546148630528 |
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| author | Park, C Giustino, F Cohen, M Louie, S |
| author_facet | Park, C Giustino, F Cohen, M Louie, S |
| author_sort | Park, C |
| collection | OXFORD |
| description | Using first-principles techniques, we calculate the renormalization of the electron Fermi velocity and the vibrational lifetimes arising from electron-phonon interactions in doped bilayer graphene and in graphite and compare the results with the corresponding quantities in graphene. For similar levels of doping, the Fermi velocity renormalization in bilayer graphene and in graphite is found to be approximately 30% larger than that in graphene. In the case of bilayer graphene, this difference is shown to arise from the interlayer interaction. We discuss our findings in the light of recent photoemission and Raman spectroscopy experiments. |
| first_indexed | 2024-03-06T19:07:21Z |
| format | Journal article |
| id | oxford-uuid:159a3a31-0556-453a-a9e7-46e1fa8eb7cb |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T19:07:21Z |
| publishDate | 2008 |
| record_format | dspace |
| spelling | oxford-uuid:159a3a31-0556-453a-a9e7-46e1fa8eb7cb2022-03-26T10:26:27ZElectron-phonon interactions in graphene, bilayer graphene, and graphite.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:159a3a31-0556-453a-a9e7-46e1fa8eb7cbEnglishSymplectic Elements at Oxford2008Park, CGiustino, FCohen, MLouie, SUsing first-principles techniques, we calculate the renormalization of the electron Fermi velocity and the vibrational lifetimes arising from electron-phonon interactions in doped bilayer graphene and in graphite and compare the results with the corresponding quantities in graphene. For similar levels of doping, the Fermi velocity renormalization in bilayer graphene and in graphite is found to be approximately 30% larger than that in graphene. In the case of bilayer graphene, this difference is shown to arise from the interlayer interaction. We discuss our findings in the light of recent photoemission and Raman spectroscopy experiments. |
| spellingShingle | Park, C Giustino, F Cohen, M Louie, S Electron-phonon interactions in graphene, bilayer graphene, and graphite. |
| title | Electron-phonon interactions in graphene, bilayer graphene, and graphite. |
| title_full | Electron-phonon interactions in graphene, bilayer graphene, and graphite. |
| title_fullStr | Electron-phonon interactions in graphene, bilayer graphene, and graphite. |
| title_full_unstemmed | Electron-phonon interactions in graphene, bilayer graphene, and graphite. |
| title_short | Electron-phonon interactions in graphene, bilayer graphene, and graphite. |
| title_sort | electron phonon interactions in graphene bilayer graphene and graphite |
| work_keys_str_mv | AT parkc electronphononinteractionsingraphenebilayergrapheneandgraphite AT giustinof electronphononinteractionsingraphenebilayergrapheneandgraphite AT cohenm electronphononinteractionsingraphenebilayergrapheneandgraphite AT louies electronphononinteractionsingraphenebilayergrapheneandgraphite |