Tunneling-percolation origin of nonuniversality: Theory and experiments
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
Details
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.
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
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Peer-reviewed publications
Work produced at EPFL
Journal Articles
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Record creation date
2006-06-27