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

Position

ω_{RBM_1}

(cm^-1)

d_t_₁(nm)

ω_{RBM_2}

(cm^-1)

d_t_₂(nm)

ωRBM_3

(cm)^-1

d_t_₃(nm)

ω_{RBM_4}

(cm)^-1

d_t_₄(nm)

ω_{RBM_5}

(cm)^-1

d_t_₅(nm)

ω_{RBM_6}

(cm)^-1

d_t_₆(nm)

ω_{RBM_7}

(cm)^-1

d_t_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

w, weak; m, medium; s, strong; S, semiconducting; M, metallic.

Peica et al. Nanoscale Research Letters 2011 6:174   doi:10.1186/1556-276X-6-174