Simulation of dc conductance of two-dimensional heterogeneous system: application to carbon wires made by ion irradiation on polycrystalline diamond

A percolation model of two‐dimensional heterogeneous system composed of two conductive phases and a method for calculating the macroscopic electric conductance of such a system in direct current regime is proposed. The parameters of the model are its geometrical dimensions, the conductance of the tw...

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Bibliographic Details
Published in:Physica Status Solidi (b) 2006-05, Vol.243 (6), p.1212-1218
Main Authors: Poklonski, N. A., Kocherzhenko, A. A., Benediktovitch, A. I., Mitsianok, V. V., Zaitsev, A. M.
Format: Article
Language:English
Subjects:
61.80.Jh
73.63.Fg
81.05.Uw
81.07.De
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Electronic transport in multilayers, nanoscale materials and structures
Exact sciences and technology
Physics
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Summary:A percolation model of two‐dimensional heterogeneous system composed of two conductive phases and a method for calculating the macroscopic electric conductance of such a system in direct current regime is proposed. The parameters of the model are its geometrical dimensions, the conductance of the two phases and the relative fractions of the phases in the system. The model satisfactorily describes the non‐linear dependence on width of conductance of the carbon nano‐ and microwires made on polycrystalline diamond surface by focused ion beam irradiation. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
ISSN:0370-1972
1521-3951
DOI:10.1002/pssb.200541079