Abstract
A model of dispersive transport in disordered nanostructured semiconductors has been proposed taking into account the percolation structure of a sample and joint action of several mechanisms. Topological and energy disorders have been simultaneously taken into account within the multiple trapping model on a comb structure modeling the percolation character of trajectories. The joint action of several mechanisms has been described within random walks with a mixture of waiting time distributions. Integral transport equations with fractional derivatives have been obtained for an arbitrary density of localized states. The kinetics of the transient current has been calculated within the proposed new model in order to analyze time-of-flight experiments for nanostructured semiconductors.
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Original Russian Text © R.T. Sibatov, E.V. Morozova, 2015, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2015, Vol. 147, No. 5, pp. 993–1004.
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Sibatov, R.T., Morozova, E.V. Multiple trapping on a comb structure as a model of electron transport in disordered nanostructured semiconductors. J. Exp. Theor. Phys. 120, 860–870 (2015). https://doi.org/10.1134/S106377611504024X
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DOI: https://doi.org/10.1134/S106377611504024X