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Nickel oxide thin films with different thicknesses were synthesized by atomic layer deposition. After a thermal reduction process, under a controlled atmosphere of hydrogen, it was possible to convert nickel oxide to metallic nickel. The different thicknesses were obtained for 250 to 2000cycles of NiCp2/O3. The Ni thin films were characterized by X-ray diffraction, scanning electron microscopy, and...
In this paper we investigate by micromagnetic simulations the magnetic properties of Permalloy double-dot structures as a function of the center-to-center distance between the dots. Generally, a well-defined neck appears in the hysteresis curve, evidencing that the process of magnetization reversal occurs by nucleation and propagation of vortices. However, although the processes of magnetization reversal...
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