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Resolution: standard / high Figure 3.
RBM frequency ratios for SWCNTs with axial half-wave numbers (m) varying from 1 to 4. The results from the nonlinear stick-spiral model by Chang et al. [15] are also presented for comparison.
Lei et al. Nanoscale Research Letters 2011 6:492 doi:10.1186/1556-276X-6-492 |
