Effect of geometry on electrical percolation in nanocomposites with impenetrable ellipsoidalinclusion

This paper is devoted to study isotropic and anisotropicpercolation threshold of ellipsoidal inclusions utilizing۳D Monte Carlo simulation. Electrically percolatedinclusions yield in electrical conductivity that is aspecial feature of nanocomposites. Electricalpercolation is influenced by so many factors andconditions such as the electron tunneling distance,geometry, anisotropy and mixture of inclusions. In thepresent work the percolation threshold has beenanalyzed considering the effect of geometry, tunnelingdistances and aspect ratios. In the case of anisotropic,several orientations studied to assess its influence onpercolation threshold, and to achieve the range duringwhich percolation threshold become minimum. Resultsshow percolation threshold decreases as tunnelingdistance and aspect ratio increases. In isotropic casesthe percolation threshold is less than anisotropic ones.

کلیدواژه ها:

Ellipsoidal inclusions ، Percolationthreshold ، Electron tunneling ، Isotropic/Anisotropicmode ، Monte Carlo simulation.