Tunneling-percolation origin of nonuniversality: Theory and experiments
Vionnet-Menot, Sonia; Grimaldi, Claudio; Maeder, Thomas; Ryser, Peter; Strässler, Sigfrid
2005

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Abstract

A vast class of disordered conducting-insulating compounds close to the percolation threshold is characterized by nonuniversal values of transport critical exponent t, in disagreement with the standard theory of percolation which predicts t

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Title Tunneling-percolation origin of nonuniversality: Theory and experiments
Author(s) Vionnet-Menot, Sonia ; Grimaldi, Claudio ; Maeder, Thomas ; Ryser, Peter ; Strässler, Sigfrid
Published in Physical Review B
Volume 71
Issue 6
Pages 064201
Date 2005
Keywords
Note Article assez complet: théorie + expériences (verre+RuO2). Théorie: - modèle: percolation + effet tunnel entre particules - simulations Monte Carlo - développement de la piézorésistivité : G(hydrostatique), G(parallèle) et G(perpendiculaire); Gh=Gpar+2Gperp Résultats: sur V6 & RuO2, cuits entre 525 et 600°C.
DOI https://doi.org/10.1103/PhysRevB.71.064201
Other identifier(s) DAR: 6577
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Laboratories LPM
Record Appears in Scientific production and competences > STI - School of Engineering > STI Archives > LPM - Laboratory of Microengineering for Manufacturing
Peer-reviewed publications
Work produced at EPFL
Journal Articles
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Record creation date 2006-06-27

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