Abstract
A higher-order hybrid finite element/boundary element method has been developed to simulate the time evolution of the domain structure of NiFe elements arranged in a closely packed array. The centre-to-centre spacing was 250 nm. The elements have two pointed ends are 200 nm wide, 3.5 μm long and 26 nm thick. Different magnetisation reversal mechanisms occur determined by the strength and the direction of the interaction field. The simulation predict a spread in the switching field in the order of 8 kA/m which has to be attributed to magnetostatic interactions.
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