Abstract

This paper considers the influence of periodic, geometric surface nonuniformities on the internal field in a ferromagnetic sample. The results are used to calculate the broadening of the ferromagnetic-resonance curve of deformed nickel monocrystals with slip tracks on the surface. Satisfactory agreement of experimental data with calculated results is obtained, assuming a Lorentzian form of absorption curve. It is shown that the deformation broadening of the ferromagnetic-resonance curve, minus the fraction due to slip lines, is proportional to the square root of the dislocation density.

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