Magneto‐transport in ferromagnetic granular networks

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Using numerical simulations and analytical calculations we have examined the transport properties of a ferromagnetic granular systems. We model this complex network system by an ensemble of ferromagnetic conducting grains randomly located on a 2D plain. Quite surprisingly, the magneto-resistance of a complex network can be approximated by the magneto-resistance of a single pair of ferromagnetic grains, although our simulations show that the transport trajectories change from a quasi-1D path through the system to a percolation network through the larger grains as the number of grain in the system increases. (© 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
Original languageAmerican English
Pages (from-to)288-291
JournalPhysica Status Solidi (C) Current Topics in Solid State Physics
Issue number2
StatePublished - 2006


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