Reference : Phonon and plasmon excitation in inelastic electron tunneling spectroscopy of graphite
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/17591
Phonon and plasmon excitation in inelastic electron tunneling spectroscopy of graphite
English
Vitali, L. [Max-Planck-Institut für Festkörperforschung]
Schneider, M. A. [Max-Planck-Institut für Festkörperforschung]
Kern, K. [Max-Planck-Institut für Festkörperforschung]
Wirtz, Ludger mailto [Department of Material Physics, University of the Basque Country, Centro Mixto CSIC-UPV, and Donostia International Physics Center]
Rubio, A. [Department of Material Physics, University of the Basque Country, Centro Mixto CSIC-UPV, and Donostia International Physics Center]
2004
Physical Review B
69
12
Yes (verified by ORBilu)
International
1098-0121
[en] The inelastic electron tunneling spectrum (IETS) of highly oriented pyrolitic graphite has been measured with scanning tunneling spectroscopy (STS) at 6 K. The observed spectral features are in very good agreement with the vibrational density of states of graphite calculated from first principles. We discuss the enhancement of certain phonon modes by phonon-assisted tunneling in STS based on the restrictions imposed by the electronic structure of graphite. We also demonstrate the local excitation of surface plasmons in IETS, which are detected at an energy of 40 meV.
http://hdl.handle.net/10993/17591
10.1103/PhysRevB.69.121414

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