The paper summarizes features in magnetic states of nanocomposite films like superparamagnetic relaxation, exchange interactions, enhanced magnetic anisotropy, originating from their granular nanostructure and related to various combinations of metallic (FeCo(Zr) alloy) nanoparticles and insulating (Al_2O_3, PbZrTiO_3, CaF_2) matrix as well as films deposition regimes.
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