Magnetic viscosity in granular thin films with perpendicular anisotropyстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 23 января 2026 г.
Аннотация:This study presents a systematic investigation of magnetoviscous effects in a perpendicularly anisotropic thin film, focusing on the field-dependent evolution of relaxation times and magnetic viscosity. By analyzing the interplay between anisotropy and magnetostatic interactions, we demonstrated the relationship between the characteristic relaxation time and the parameters that determine the free energy profile. Establish a direct correlation between energy landscape complexity and non-equilibrium magnetic behavior. The proposed model incorporates dipole-dipole interactions into the energy formalism and successfully reproduces both the magnitude and field position of experimentally observed relaxation time maxima. Validation via First-Order Reversal Curves (FORC) confirms the critical influence of inter-domain interactions on relaxation dynamics. These findings provide valuable insights for optimizing the performance and reliability of magnetic devices through deliberate parameter selection.