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Effect of coiling on the electronic properties along single-wall carbon nanotubes
2.Carbon Nanotubes: Synthesis, Structures and Applications, edited by M. S. Dresselhaus, G. Dresselhaus, and Ph. Avouris (Springer, Berlin, 2001).
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16. In fact, while in straight tubes the states accessible for electrical conduction are essentially pure states, the increased curvature induced by bending, twisting, or coiling makes them acquire a character.
18. Raman spectroscopy (using excitation at 514.5 nm) characterizations of these nanotubes revealed the presence of an intense radial breathing mode absorption band centered at , corresponding to SWCNTs with a diameter of , in accordance with high-resolution TEM observations [see Refs. 19 and 20 cited hereafter].
22.M. De Crescenzi, P. Castrucci, M. Scarselli, P. S. Chaudari, C. Balasubramanian, T. M. Bhave, S. V. Bhoraskar (unpublished).
23. The effect of convolution induced by the tip’s finite size is estimated to be negligible (less than 0.1 nm), since measurements of HOPG monoatomic steps were very accurate. Typical tunneling parameters were and (bias voltage applied to the sample).
25.F. Rosei, M. Schunack, Y. Naitoh, P. Jiang, A. Gourdon, E. Laegsgaard, I. Stensgaard, C. Joachim, and F. Besenbacher, Prog. Surf. Sci. 71, 95 (2003).
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29.A strong modulation of the conductance has been very recently measured by AFM on a bent carbon nanotube: M. Stadermann, Science 301, 1473 (2003).
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