Origin of the low-frequency band in Raman spectra of multi-walled carbon nanotubes synthesized by the CVD method |
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| Authors: | V. V. Bolotov V. E. Kan M. Yu. Biryukov E. V. Knyazev R. V. Shelyagin P. M. Korusenko S. N. Nesov Yu. A. Sten’kin |
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| Affiliation: | 1685. Omsk Affiliated Branch of Rzhanov Institute of Semiconductor Physics, Siberian Branch of the Russian Academy of Sciences, ul. Pyataya-Kordnaya 29, Omsk, 644018, Russia
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| Abstract: | The origin of the low-frequency band (250–300 cm?1) in the Raman spectra of multi-walled carbon nanotubes (MWCNTs) produced by the CVD method has been studied. The studies performed by Raman spectroscopy, transmission electron microscopy, Auger spectroscopy, and X-ray photoelectron spectroscopy after chemical and thermal treatments allow the assumption that this band belongs to radial vibrations of carbon atoms in internal walls of MWCNTs. |
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