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“School of Nano-Sciences”

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Paper   IPM / Nano-Sciences / 12691
School of Nano Science
  Title:   The estimation of current and differential conductance of armchair single-wall carbon nanotubes via dissipative energy method
  Author(s): 
1 . Pouria Ayria
2 . Afshin Namiranian
  Status:   Published
  Journal: Eur. Phys. J. B
  No.:  4
  Vol.:  86
  Year:  2013
  Pages:   5
  Publisher(s):   EDP Sciences, Societ`a Italiana di Fisica, Springer-Verlag 2012
  Supported by:  IPM
  Abstract:
We are going to apply dissipative energy method, considered as perturbation method, in order to investigate the effects of electron-optical phonon coupling on the electronic transport of armchair single wall carbon nanotubes. This method almost deals with the modeling of the behavior of electrons near ballistic regime. The results of calculations indicate that this model can be applied in estimating the current and the differential conductance of the armchair single-wall carbon nanotubes at low bias; however the perturbation method fails to reproduce the current and differential conductance at high voltages. Furthermore, this approach suggests a method that the observation of phonon energy modes involved in electron-phonon coupling becomes possible experimentally at low temperature.

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