The dynamical response to the node defect in thermally activated remagnetization of magnetic dot array

Details The dynamical response to the node defect in thermally activated remagnetization of magnetic dot array The dynamical response to the node defect in thermally activated remagnetization of magnetic dot array

2007-05-14

arxiv.org/abs/0705.1889v1

J. Magn. Magn. Mater. 320, 1083 (2008)

Physics

Condensed Matter

Other Condensed Matter

4 pages,5 figures, submitted to J. Magn. Magn. Matter

Scientific paper

10.1016/j.jmmm.2007.10.028

The influence of nonmagnetic central node defect on dynamical properties of regular square-shaped 5 x 5 segment of magnetic dot array under the thermal activation is investigated via computer simulations. Using stochastic Landau-Lifshitz-Gilbert equation we simulate hysteresis and relaxation processes. The remarkable quantitative and qualitative differences between magnetic dot arrays with nonmagnetic central node defect and magnetic dot arrays without defects have been found.

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