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Variable Electron-Phonon Coupling in Isolated Metallic Carbon Nanotubes Observed by Raman Scattering
Yang Wu, Janina Maultzsch, Ernst Knoesel +6
We report the existence of broad and weakly asymmetric features in the high-energy (G) Raman modes of freely suspended metallic carbon nanotubes of defined chiral index. A signific…
The phonon dispersion of graphite by inelastic x-ray scattering
M. Mohr, J. Maultzsch, E. Dobardzic +6
We present the full in-plane phonon dispersion of graphite obtained from inelastic x-ray scattering, including the optical and acoustic branches, as well as the mid-frequency range…
High-Resolution Scanning Tunneling Microscopy Imaging of Mesoscopic Graphene Sheets on an Insulating Surface
Elena Stolyarova, Kwang Taeg Rim, Sunmin Ryu +6
We present scanning tunneling microscopy (STM) images of single-layer graphene crystals examined under ultrahigh vacuum conditions. The samples, with lateral dimensions on the micr…