Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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Materials Map under construction

The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (1/1 displayed)

  • 2008Electrical conductivity of carbon nanotubes and polystyrene composites21citations

Places of action

Chart of shared publication
Kažukauskas, V.
1 / 3 shared
Bumby, C. W.
1 / 1 shared
Kaiser, A. B.
1 / 1 shared
Kalendra, Vidmantas
1 / 8 shared
Chart of publication period
2008

Co-Authors (by relevance)

  • Kažukauskas, V.
  • Bumby, C. W.
  • Kaiser, A. B.
  • Kalendra, Vidmantas
OrganizationsLocationPeople

article

Electrical conductivity of carbon nanotubes and polystyrene composites

  • Kažukauskas, V.
  • Bumby, C. W.
  • Ludbrook, B. M.
  • Kaiser, A. B.
  • Kalendra, Vidmantas
Abstract

<jats:title>Abstract</jats:title><jats:p>We report investigation of electrical conductivity of high resistivity polystyrene/carbon nanotube composites. The films consisted of a thiol‐bonded network of wrapped MWNTs within a polystyrene matrix with mass ratios ranging from 0% to 1%. The electrical conductivity and its thermal activation energy were systematically depending on the CNT doping level. A number of phenomena could be explained by the presence of CNT ‘islands’ in the polystyrene matrix at doping levels below the percolation threshold. At higher levels of CNTs an interconnected conducting network is formed. The results appear consistent with fluctuation‐assisted tunnelling through barriers between conducting carbon nanotubes for medium and large voltages. However, at low voltages there is a sharper decrease in conductance as voltage decreases that could arise from Coulomb blockade effects or other small barriers. (© 2008 WILEY‐VCH Verlag GmbH &amp; Co. KGaA, Weinheim)</jats:p>

Topics
  • impedance spectroscopy
  • Carbon
  • resistivity
  • nanotube
  • composite
  • activation
  • electrical conductivity