Figure 1From: Preferential Growth of Semiconducting Single-Walled Carbon Nanotubes on Substrate by Europium Oxide a SEM images of the as-grown SWNTs on substrates by CH4-CVD, Raman spectra of SWNTs from two different positions of the same sample in (a). Raman spectra b and c are RBM and G-band, respectivelyBack to article page