Magnetization-induced third harmonic (TH) generation was observed in magnetic nanostructures—nanogranular Co x Ag 1− x films—possessing giant magnetoresistance (GMR). The magnetization-induced contribution to the TH intensity was studied as a function of the concentration of a magnetic component (cobalt) in the films. Magnetic contrast of the TH intensity was found to correlate with the GMR coefficient: both parameters simultaneously reach extremum in the range of cobalt concentrations x ∼0.3–0.35.
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Murzina et al. (2004) studied this question.
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