Pfeiffer, R.; Kramberger, Ch; Simon, F.; Kuzmany, H.; … - In: The European Physical Journal B - Condensed Matter and … 42 (2004) 3, pp. 345-350
A detailed investigation of the Raman response of the inner tube radial breathing modes (RBMs) in double-wall carbon nanotubes is reported. It revealed that the number of observed RBMs is two to three times larger than the number of possible tubes in the studied frequency range. This unexpected...