CoFe-AgCu thin films display magnetic domain microstructures below the perc
olation threshold. It was recently shown that for x similar to 30% a variet
y of magnetic domain structures appears, which are extremely sensitive to t
he annealing and magnetic history. This magnetic microstructure was studied
by magnetic force microscopy and Monte Carlo simulation and it is correlat
ed to the magnetic and transport properties. (C) 1999 Elsevier Science B.V.
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