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(a) AFM, SEM (inset), and (b) MFM images of an embedded CoPt square. The line profiles show the topography and the phase contrast along the white lines.
(a) MOIF and (b) MFM images of a square grid of CoPt squares with element width of and distance of , after saturation in a perpendicular field and application of a reverse field of . The white lines in (b) mark some of the domain walls. (c) Simplified sketch of the in-plane magnetization distribution of the Py.
(Color online) Top: MFM image of a two-phase Py-embedded CoPt grid with an element width of and a reduced distance of . The image was recorded after saturation in a perpendicular field and application of a reverse field of . Blue: Initial magnetization. Yellow/red: Reversed magnetization. Middle: Profiles of the phase shift taken at the positions indicated in the image above. Bottom: Normalized cross-correlation function of the two profiles.
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