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@ARTICLE{Venanzi:1025621,
      author       = {Venanzi, Tommaso and Graziotto, Lorenzo and Macheda,
                      Francesco and Sotgiu, Simone and Ouaj, Taoufiq and Stellino,
                      Elena and Fasolato, Claudia and Postorino, Paolo and
                      Mišeikis, Vaidotas and Metzelaars, Marvin and Kögerler,
                      Paul and Beschoten, Bernd and Coletti, Camilla and Roddaro,
                      Stefano and Calandra, Matteo and Ortolani, Michele and
                      Stampfer, Christoph and Mauri, Francesco and Baldassarre,
                      Leonetta},
      title        = {{P}robing {E}nhanced {E}lectron-{P}honon {C}oupling in
                      {G}raphene by {I}nfrared {R}esonance {R}aman {S}pectroscopy},
      journal      = {Physical review letters},
      volume       = {130},
      number       = {25},
      issn         = {0031-9007},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2024-03010},
      pages        = {256901},
      year         = {2023},
      abstract     = {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.},
      cin          = {PGI-9 / PGI-11 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-9-20110106 / I:(DE-Juel1)PGI-11-20170113 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {5222 - Exploratory Qubits (POF4-522) / DFG project
                      390534769 - EXC 2004: Materie und Licht für
                      Quanteninformation (ML4Q) (390534769) / GrapheneCore3 -
                      Graphene Flagship Core Project 3 (881603)},
      pid          = {G:(DE-HGF)POF4-5222 / G:(GEPRIS)390534769 /
                      G:(EU-Grant)881603},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {37418733},
      UT           = {WOS:001026290400003},
      doi          = {10.1103/PhysRevLett.130.256901},
      url          = {https://juser.fz-juelich.de/record/1025621},
}