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| Hauptseite > Publikationsdatenbank > Probing Enhanced Electron-Phonon Coupling in Graphene by Infrared Resonance Raman Spectroscopy > print |
| Hauptseite > Publikationsdatenbank > Probing Enhanced Electron-Phonon Coupling in Graphene by Infrared Resonance Raman Spectroscopy > print |
| 001 | 1025621 | ||
| 005 | 20250203103257.0 | ||
| 024 | 7 | _ | |a 10.1103/PhysRevLett.130.256901 |2 doi |
| 024 | 7 | _ | |a 0031-9007 |2 ISSN |
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| 100 | 1 | _ | |a Venanzi, Tommaso |0 P:(DE-HGF)0 |b 0 |
| 245 | _ | _ | |a Probing Enhanced Electron-Phonon Coupling in Graphene by Infrared Resonance Raman Spectroscopy |
| 260 | _ | _ | |a College Park, Md. |c 2023 |b APS |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a We report on resonance Raman spectroscopy measurements with excitation photon energy down to 1.16 eV on graphene, to study how low-energy carriers interact with lattice vibrations. Thanks to the excitation energy close to the Dirac point at K, we unveil a giant increase of the intensity ratio between the double-resonant 2D and 2D′ peaks with respect to that measured in graphite. Comparing with fully ab initio theoretical calculations, we conclude that the observation is explained by an enhanced, momentum-dependent coupling between electrons and Brillouin zone-boundary optical phonons. This finding applies to two-dimensional Dirac systems and has important consequences for the modeling of transport in graphene devices operating at room temperature. |
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| 536 | _ | _ | |a GrapheneCore3 - Graphene Flagship Core Project 3 (881603) |0 G:(EU-Grant)881603 |c 881603 |f H2020-SGA-FET-GRAPHENE-2019 |x 2 |
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| 700 | 1 | _ | |a Graziotto, Lorenzo |0 P:(DE-HGF)0 |b 1 |
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| 700 | 1 | _ | |a Sotgiu, Simone |0 P:(DE-HGF)0 |b 3 |
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| 700 | 1 | _ | |a Mauri, Francesco |0 P:(DE-HGF)0 |b 17 |
| 700 | 1 | _ | |a Baldassarre, Leonetta |0 P:(DE-HGF)0 |b 18 |e Corresponding author |
| 773 | _ | _ | |a 10.1103/PhysRevLett.130.256901 |g Vol. 130, no. 25, p. 256901 |0 PERI:(DE-600)1472655-5 |n 25 |p 256901 |t Physical review letters |v 130 |y 2023 |x 0031-9007 |
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