Chiral angle dependence of resonance window widths in (2n+m) families of single-walled carbon nanotubes
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Raman spectra of isolated single-walled carbon nanotubes (SWNTs) were obtained for a wide range of laser excitation energies to study the resonance excitation window of the radial breathing mode feature for members of (2n+m) families. A chiral angle (θ) dependence of the resonance window width (Γ) was observed, which is much stronger than the diameter dependence. The implications of this work on nanotube metrology are discussed.
Date issued
2010-03Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Department of Materials Science and Engineering; Massachusetts Institute of Technology. Department of PhysicsJournal
Applied Physics Letters
Publisher
American Institute of Physics (AIP)
Citation
Hsieh, Ya-Ping, Mario Hofmann, Hootan Farhat, Eduardo B. Barros, Martin Kalbac, Jing Kong, Chi-Te Liang, Yang-Fang Chen, and Mildred S. Dresselhaus. “Chiral Angle Dependence of Resonance Window Widths in (2n+m) Families of Single-Walled Carbon Nanotubes.” Appl. Phys. Lett. 96, no. 10 (2010): 103118. © 2010 American Institute of Physics
Version: Final published version
ISSN
00036951
1077-3118