Spectroscopic investigations of phonons in epitaxial graphene
Abstract
The interaction of graphene with metallic substrates reveals phenomena and properties of great relevance for applications in nanotechnology. In this review, the vibrational characterization by means of various inelastic scattering spectroscopies are surveyed for graphene epitaxially grown on metals and transition carbides. In particular, the manifestations of electron-phonon interaction, such as Kohn anomalies, the evaluation of elastic properties and the nanoscale control of phonon modes are presented and discussed.
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