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Dynamic scaling of magnetic hysteresis in a few monolayer thick Fe/Au (001) films was studied by using surface magneto-optic Kerr effect. For low values of the frequency () and amplitude (H₀) of an applied magnetic field, the hysteresis loss scales as AH₀^^ with =0. 590. 07 and =0. 310. 05. Our results confirm a recently proposed scaling law. The exponents are consistent with recent numerical simulations of the hysteresis of 2D Ising spins and suggest that the hysteresis dynamics in ultrathin ferromagnetic films belong to a dynamic Ising universality class.
He et al. (1993) studied this question.