Observation of Electronic Raman Scattering in Metallic Carbon Nanotubes

Details Observation of Electronic Raman Scattering in Metallic Carbon Nanotubes Observation of Electronic Raman Scattering in Metallic Carbon Nanotubes

2011-10-19

arxiv.org/abs/1110.4356v1

Phys. Rev. Lett. 107, 157401 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1103/PhysRevLett.107.157401

We present experimental measurements of the electronic contribution to the Raman spectra of individual metallic single-walled carbon nanotubes (MSWNTs). Photoexcited carriers are inelastically scattered by a continuum of low-energy electron-hole pairs created across the graphenelike linear electronic subbands of the MSWNTs. The optical resonances in MSWNTs give rise to well-defined electronic Raman peaks. This resonant electronic Raman scattering is a unique feature of the electronic structure of these one-dimensional quasimetals.

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