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Paper   IPM / Nano-Sciences / 14187
School of Nano Science
  Title:   Effective permittivity of single-walled carbon nanotube composites: Two-fluid model
1.  Afshin Moradi
2.  Hamid Reza Zangeneh
3.  Firoozeh Karimi Moghadam
  Status:   Published
  Journal: Phys. Plasmas
  No.:  12
  Vol.:  22
  Year:  2015
  Pages:   122104(1-4)
  Publisher(s):   AIP Publishing
  Supported by:  IPM
We develop an effective medium theory to obtain effective permittivity of a composite of two-dimensional (2D) aligned single-walled carbon nanotubes. Electronic excitations on each nanotube surface are modeled by an infinitesimally thin layer of a 2D electron gas represented by two interacting fluids, which takes into account different nature of the r and p electrons. Calculations of both real and imaginary parts of the effective dielectric function of the system are presented, for different values of the filling factor and radius of carbon nanotubes.

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