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Table 2 Summary of the RBM frequencies in the TERS spectra along the measured bundle together with their calculated diameter and tentative chiral indices assignment

From: Studying the local character of Raman features of single-walled carbon nanotubes along a bundle using TERS

Position ωRBM_1
(cm-1)
dt_1(nm)
ωRBM_2
(cm-1)
dt_2(nm)
ωRBM_3
(cm)-1
dt_3(nm)
ωRBM_4
(cm)-1
dt_4(nm)
ωRBM_5
(cm)-1
dt_5(nm)
ωRBM_6
(cm)-1
dt_6(nm)
ωRBM_7
(cm)-1
dt_7(nm)
1. 150.1 wm
(1.63)
- 177.4 m
(1.35)
- - - 277.9 m
(0.83)
2. 150.1 wm
(1.63)
- 178.1 wm
(1.35)
- - - 277.1 ms
(0.83)
3. - 155.7 wm
(1.56)
- 181.5 wm
(1.32)
204.9 vw
(1.15)
- 277.5 vs
(0.83)
4. - - - 182.7 m
(1.31)
205.3 w
(1.15)
- 276.9 s
(0.83)
5. - - - 183.3 ms
(1.30)
205.7 w
(1.15)
- 277.2 m
(0.83)
6. - - - 182.8 m
(1.31)
- 244.2 wm
(0.95)
276.9 wm
(0.83)
7. - - - 181.8 w
(1.32)
- 244.1 w
(0.95)
279.7 w
(0.82)
(n,m)
E ii (eV)
(17,6)S
2.030
(20,0)S
2.035
(13,6)S
2.014
(15,3)M
2.764
(11,5)M
2.003
(10,3)S
2.581
(8,4)S
2.880
  (12,12) M
2.539
(17,5) M
2.436
(14,5) M
2.763
(12,7)S
2.251
(14,1) S
2.178
(12,0) M
1.934
(10,1) M
2.100
  1. w, weak; m, medium; s, strong; S, semiconducting; M, metallic.