M. S. Dresselhaus, A. Jorio, A. G. Souza Filho, G. Dresselhaus, R. Saito, M. A. Pimenta
on measurements of many SWNTs at the single nanotube level .The electronic properties of SWNTs are remarkable insofar as they can be either metallic (when m−n = 3q and q is an integer) or semiconducting (when n−m = 3q±1). Raman spectroscopy can be used to distinguish between metallic and semiconducting tubes, because of the very different spectral lineshapes observed for metallic and semiconducting SWNTs with diameters less than 2 nm .
Single Nanotube Raman SpectroscopyThe large density of electronic st…
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