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Electron transport in semiconducting chiral carbon nanotubes
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View: Figures


Image of FIG. 1.
FIG. 1.

Lowest conduction subbands of (11,7) CNT. The two vertical lines at indicate the boundaries of the first BZ boundary. Solid lines are subbands inside the first BZ; the dashed lines are the complementary subbands in the second and third BZs.

Image of FIG. 2.
FIG. 2.

Scattering rates for the lowest subband, , of (11,7) CNT in the extended zone scheme. The two vertical lines at indicate the first BZ boundary. Solid, dashed, and dotted lines are total LA, LO, and RBM scattering rates, respectively. The scattering rates plotted for and are equivalent to scattering from subbands and , respectively, in the reduced zone.

Image of FIG. 3.
FIG. 3.

(a) Transient characteristics under applied electric field of and (b) average steady-state drift velocity vs electric field characteristics for (16,0), (15,1), (15,2), (14,3), (13,5), and (11,7) CNTs. The CNTs listed in the legend are according to increasing chiral angle. The group ( or ) to which the CNT belongs is also indicated in the figure legend.

Image of FIG. 4.
FIG. 4.

(a) Electron occupancy and (b) distribution function (in the extended zone representation) of the lowest subbands for (11,7) CNT at steady state for several different electric fields. The solid and dashed lines indicate the distribution function for subbands and , respectively. The two thin vertical dashed lines around indicate the first BZ boundary.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electron transport in semiconducting chiral carbon nanotubes