617214.fig.009a
(a)
617214.fig.009b
(b)
Figure 9: The length dependence of 𝐼 𝐷 𝑆 - 𝑉 𝐷 𝑆 results for the (19, 0) CNTFETs under phonon scattering: (a) planar CNTFETs; (b) coaxial CNTFETs. The lengths of CNTFETs are of 15, 10, 5, and 2.5 nm from top to bottom curves.