External electric field effect on electron transport in carbon nanotubes
S. S. Abukari, S. Y. Mensah, N. G. Mensah, M. Rabiu, K. W. Adu, A., Twum
TL;DR
This paper theoretically investigates how external electric fields influence electron transport in carbon nanotubes, revealing phenomena like self-induced transparency and negative conductivity through analytical modeling.
Contribution
It provides an analytical expression for current density in carbon nanotubes under external electric fields, highlighting novel transport phenomena.
Findings
Current density exhibits self-induced transparency.
Negative conductivity observed under certain conditions.
Analytical model matches expected transport behaviors.
Abstract
Electronic transport properties of carbon nanotubes are studied theoretically in the presence of external electric field E(t) by using the Boltzmann's transport with constant relaxation time. An analytical expression for the current densities of the nanotubes are obtained. It is observed that the current density-electric field characteristics of the CNs exhibit total self-induced transparency and absolute negative conductivity
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