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Niklaus Johner

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Related publications (14)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Optimal percolation of disordered segregated composites

Peter Ryser, Claudio Grimaldi, Thomas Maeder, Niklaus Johner

We evaluate the percolation threshold values for a realistic model of continuum segregated systems, where random spherical inclusions forbid the percolating objects, modellized by hard-core spherical particles surrounded by penetrable shells, to occupy lar ...

2009

Electron tunneling in conductor-insulator composites with spherical fillers

Peter Ryser, Claudio Grimaldi, Thomas Maeder, Niklaus Johner, Gianluca Ambrosetti

We report on our Monte Carlo calculations of the conductivity of monosized and conducting spherical particles dispersed in a homogeneous matrix, with interparticle transport mechanism given by electron tunneling. We show that our numerical results can be r ...

2009

On the origin of transport non-universality and piezoresistivity in segregated conductor-insulator composites and application to thick-film resistors

In this thesis we address the description of electrical transport properties of disordered conductor-insulator composites, mostly by numerical Monte Carlo simulations and analytical study of realistic tunnelling-percolation models. Such composites are basi ...

EPFL2009