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Tuning of Dielectric Parameters of (CNTS)X/Cutl-1223 Nanotubes-Superconductor Composites

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3rd International Congress on Energy Efficiency and Energy Related Materials (ENEFM2015)

Part of the book series: Springer Proceedings in Energy ((SPE))

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Abstract

Carbon nanotubes (CNTs) and (CuTl)0.5Ba2Ca2Cu3O10-δ (CuTl-1223) superconducting phase were mixed in appropriate ratios to obtain (CNTs)x/CuTl-1223 (0 ≤ x ≤ 2.00 wt%) nanotubes-superconductor composites. Crystal structure and chemistry of CuTl-1223 phase were not affected significantly but superconducting properties were suppressed after inclusion of CNTs. The decrease in dielectric parameters can be attributed to reduction of polarization due to semiconducting nature of CNTs in these composites. Positive space charges around the electrodes may be the possible cause of negative capacitance (NC) in these composites. The dielectric parameters of these composites can be tuned by the frequency, operating temperature and CNTs content in these composites.

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Authors and Affiliations

  1. Materials Research Laboratory, Department of Physics FBAS, International Islamic University (IIU), Islamabad, 44000, Pakistan

    M. Mumtaz & Zahir Usman

Authors
  1. M. Mumtaz
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  2. Zahir Usman
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Correspondence to M. Mumtaz .

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Editors and Affiliations

  1. Department of Materials Science and Engineering, Gebze Technical University, Gebze, Kocaeli, Turkey

    Ahmet Yavuz Oral

  2. Department of Environmental Engineering, Gebze Technical University, Gebze, Kocaeli, Turkey

    Zehra Banu Bahsi Oral

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Mumtaz, M., Usman, Z. (2017). Tuning of Dielectric Parameters of (CNTS)X/Cutl-1223 Nanotubes-Superconductor Composites. In: Oral, A., Bahsi Oral, Z. (eds) 3rd International Congress on Energy Efficiency and Energy Related Materials (ENEFM2015). Springer Proceedings in Energy. Springer, Cham. https://doi.org/10.1007/978-3-319-45677-5_21

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  • DOI: https://doi.org/10.1007/978-3-319-45677-5_21

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-45676-8

  • Online ISBN: 978-3-319-45677-5

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