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Electrical Characterization of Nanostructured Carbon Films Produced by Supersonic Cluster Beam Deposition

  • Paolo Piseri (a1), Emanuele Barborini (a1), Mara Bruzzi (a2), Stefania Miglio (a2), Gero Bongiorno (a1) and Paolo Milani (a1)...

Abstract

Electrical conduction in nanostructured carbon (ns-C) films produced by deposition of a supersonic beam of neutral carbon clusters has been studied. The d.c. conduction properties of these films have been measured in-situ during the deposition process and ex-situ as a function of the temperature in vacuum and in ambient of different gases (H2, N2, CH4, He). The ns-C films exhibit an ohmic behavior with a room temperature resistivity in the range 10MΩcm-1GΩcm depending on the growth and storage conditions. Conductivity vs. temperature measured in vacuum in the range 300-400K is characterized by activation energies in the range 0.3-0.7eV, the current response does not differ significantly in gas atmosphere.

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Electrical Characterization of Nanostructured Carbon Films Produced by Supersonic Cluster Beam Deposition

  • Paolo Piseri (a1), Emanuele Barborini (a1), Mara Bruzzi (a2), Stefania Miglio (a2), Gero Bongiorno (a1) and Paolo Milani (a1)...

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