The effect of confinement on thermally induced fluctuations in nanomagnets
Samuel D. Slöetjes,
Björgvin Hjörvarsson,
Vassilios Kapaklis
Abstract:We study the thermally excited magnetization fluctuations of mesoscale magnetic structures. In the micromagnetic framework we utilize a computational method for implementing temperature in simulations, by means of a stochastic magnetic field. Using this approach, we investigate the confinement effects related to the size of the structures and characterize the emerging magnonic modes, with respect to their spatial distribution of amplitudes and frequencies. We also analyze the temperature dependence of low freq… Show more
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