Applied Microscopy

Korean Society of Microscopy (한국현미경학회)
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Fractal Approach to Alternating Current Impedance Spectroscopy Studies of Carbon Nanotubes/Epoxy Polymer Composites

  • Belhimria, Rajae (Laboratoire LASTID, Faculte des Sciences, Universite Ibn Tofail) ;
  • Boukheir, Sofia (Laboratoire LASTID, Faculte des Sciences, Universite Ibn Tofail) ;
  • Samir, Zineb (Laboratoire LASTID, Faculte des Sciences, Universite Ibn Tofail) ;
  • Len, Adel (Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Hungarian Academy of Sciences) ;
  • Achour, Mohammed Essaid (Laboratoire LASTID, Faculte des Sciences, Universite Ibn Tofail) ;
  • Eber, Nandor (Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Hungarian Academy of Sciences) ;
  • Costa, Luis Cadillon (I3N and Physics Department, University of Aveiro) ;
  • Oueriagli, Amane (Laboratoire LN2E, Faculte des Sciences, Universite Cadi Ayyad)
  • Received : 2017.08.01
  • Accepted : 2017.08.28
  • Published : 2017.09.30
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Abstract

The dielectric relaxation characteristics of composites with different concentrations of carbon nanotubes loaded in an epoxy polymer matrix has been studied as a function of frequency over a wide range (1 Hz~10 MHz) at room temperature. Two characterization techniques were used in this work to measure and calculate the dimensionality parameters: small angle neutron scattering and impedance spectroscopy. The results obtained from both methods are in good agreement, indicating the reliability of the estimated fractal dimension, despite of the difference in the length scales accessed by the two techniques.

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References

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