Magnetic and transport percolation in diluted magnetic semiconductors

Details Magnetic and transport percolation in diluted magnetic semiconductors Magnetic and transport percolation in diluted magnetic semiconductors

2003-07-11

arxiv.org/abs/cond-mat/0307294v1

Physics

Condensed Matter

Materials Science

9 pages, 5 figures

Scientific paper

10.1103/PhysRevB.68.235210

The ferromagnetic transition in a diluted magnetic semiconductor with localized charge carriers is inevitably a percolation transition. In this work we theoretically study the correlation between this magnetic percolation and transport properties of the sample, including the possibility of a simultaneous transport percolation. We find nontrivial signatures of the percolating magnetic clusters in the transport properties of the system, including interesting non-monotonic temperature dependence of the system resistivity.

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