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Electrical properties of micrometric metallic dots obtained by porous polymeric membranes

Author

Listed:
  • M. Barra
  • A. Cassinese
  • F. Chiarella
  • W. Goedel
  • D. Marczewski
  • P. Tierno
  • R. Vaglio

Abstract

We report on the fabrication of micrometric regular metallic arrays obtained by using, as a template, a polymeric membrane with regular pores. The membranes were prepared by embedding hydrophobized silica colloids into a polymer layer and subsequently removing them. We have investigated the electronic transport properties of the metallic arrays as a function of the applied electric field and temperature. Simple current voltage (IV) characteristics present a strong switching behavior with I ON /I OFF ratios up to 10 4 . Different temperature dependences of the resistance in the different ranges of the applied electric field have been observed. Finally, the performances of a field effect device (FET), with the conducting channel and insulating layer consisting of a Gold dot array and a STO substrate, respectively, have been investigated. The channel resistivity has been modified at least of two orders of magnitude and a mobility of about 2 cm 2 /V*s has been extracted by the analysis of the FET transfer curve. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2005

Suggested Citation

  • M. Barra & A. Cassinese & F. Chiarella & W. Goedel & D. Marczewski & P. Tierno & R. Vaglio, 2005. "Electrical properties of micrometric metallic dots obtained by porous polymeric membranes," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 46(4), pages 497-500, August.
    • Handle: RePEc:spr:eurphb:v:46:y:2005:i:4:p:497-500
    DOI: 10.1140/epjb/e2005-00279-y
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