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(Color online) (a) plane-view SEM image, (b) TEM cross-sectional image, and (c) the schematic representation of deposited structure and magnetization direction of film.
(Color online) (a) The out-of-plane and in-plane hysteresis loops of (I) film and (II) films with pore density of . (b) Initial magnetization curves of film and films with different . (c) The variations of and as a function of pore density.
MFM and SEM images of (a) film and films with pore density of (b) and (c) .
(Color online) (a) Switching field of film and films with different pore densities as a function of angle between the applied field and the easy axis. The dotted and solid line represents theoretical curves for DW motion and rotation, respectively. The simulated of the sample with of is also presented. (b) Top: the reversed domain after applying an external field locally. Bottom: stable domain bit pattern pinned at the nonmagnetic defects after the bit writing process.
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