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Time-resolved magnetic domain patterns of (Co/Pt) and (CoFeB/Pd) multilayers with perpendicular magnetic anisotropy are observed by means of magneto-optical microscopy, from which magnetic relaxation curves are determined for. Interestingly, it has been observed that the relaxation processes not only from the saturated state, but also with pre-existing domains, are well explained based on the Fatuzzo-Labrune...
For next-generation memory and logic devices, there have been suggested many concepts of the unidirectional coherent motion of magnetic domain walls (DWs) [1-3]. Such motion occurs either by injecting large electric currents into nanowires [1] or by employing DW tension induced by sophisticated structural modulation [2, 3]. These schemes, however, require either a high threshold [1] or highly sophisticated...
Investigation of magnetic domain wall (DW) motion and spin wave (SW) propagation in ferromagnetic nanowires has garnered attention due to the potential applications in future information communication. Particular in patterned ferromagnetic nanowires, the DW and SW propagation are controllable by geometrical modulation generally use notches or artificial imperfections extensively. Recently, diode-like...
The domain wall width (DWW) change of nanocontact systems with various contact shapes for larger and more stable magnetoresistance (MR) ratio is investigated. The magnetic calculations are carried out using the micromagnetics simulation based on Landau-Lifschitz-Gilbert equation.
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