27 October 2003 Raman scattering in carbon nanotubes
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Abstract
For the correct interpretation of Raman spectra it is important to realize that the scattering process in carbon nanotubes is doubly resonant, a feature which - although known from semiconductors - is greatly enhanced by the peculiar bandstructure of graphene near the K-point. We discuss the double-resonant process and, as examples of its importance, show how the relative defect concentration in a set of boron-doped multiwalled tubes can be measured and how the determination of the diameter through the radial breathing mode (RBM) is affected by double resonance.
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Christian Thomsen, Christian Thomsen, "Raman scattering in carbon nanotubes", Proc. SPIE 5219, Nanotubes and Nanowires, (27 October 2003); doi: 10.1117/12.507435; https://doi.org/10.1117/12.507435
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