Abstract

We investigated the magnetization switching process in a bilayered exchange spring system through micromagnetic simulations. A typical exchange coupled magnetic hysteresis loop was observed in this work. The influence of magnetocrystalline anisotropy constant on the magnetization of the exchange spring structure was also studied. It is demonstrated that the film thickness of hard layer play a more important role than that of soft layer to the influence on coercive field and shape of the hysteresis loop.

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