Scaling of current distributions in variable-range hopping transport on two- and three-dimensional lattices

W.F. Pasveer; P.A. Bobbert; H.P. Huinink; M.A.J. Michels

doi:10.1103/PhysRevB.72.174204

Scaling of current distributions in variable-range hopping transport on two- and three-dimensional lattices

W.F. Pasveer, P.A. Bobbert, H.P. Huinink, M.A.J. Michels

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Abstract

From extensive computer simulations of variable-range hopping (VRH) transport of charges on regular two- and three-dimensional lattices with random site energies we calculate the average contribution to the total current of hops over a certain distance and with a certain hop energy. We find that the resulting current distribution is a universal function of scaled distance and energy variables. We discuss this scaling in the light of the original arguments of Mott and percolation arguments to explain the temperature dependence of the VRH conductivity

Original language	English
Article number	174204
Pages (from-to)	174204-1/6
Number of pages	6
Journal	Physical Review B
Volume	72
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevB.72.174204
Publication status	Published - 2005

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title = "Scaling of current distributions in variable-range hopping transport on two- and three-dimensional lattices",

abstract = "From extensive computer simulations of variable-range hopping (VRH) transport of charges on regular two- and three-dimensional lattices with random site energies we calculate the average contribution to the total current of hops over a certain distance and with a certain hop energy. We find that the resulting current distribution is a universal function of scaled distance and energy variables. We discuss this scaling in the light of the original arguments of Mott and percolation arguments to explain the temperature dependence of the VRH conductivity",

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AB - From extensive computer simulations of variable-range hopping (VRH) transport of charges on regular two- and three-dimensional lattices with random site energies we calculate the average contribution to the total current of hops over a certain distance and with a certain hop energy. We find that the resulting current distribution is a universal function of scaled distance and energy variables. We discuss this scaling in the light of the original arguments of Mott and percolation arguments to explain the temperature dependence of the VRH conductivity

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Scaling of current distributions in variable-range hopping transport on two- and three-dimensional lattices

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