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Domain decoration in dipolar coupled ferromagnetic stacks with perpendicular anisotropy

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FIG. 1. Room-temperature polar Kerr rotation hysteresis major loop 共 straight line 兲 and minor loop 共 dashed line 兲 of the studied film structure
FIG. 4. Dependence of the perpendicular stray field component H z on the distance x from the border of the S H domain or the base of channels with different width e 共 straight line: No channel; dashed: e = 0.2 ␮ m; dotted: e
FIG. 5. Polar Kerr rotation images as in Fig. 3 共 a 兲 , but after applying a positive magnetic positive field H 2 = 7 Oe during 2 min and freezing this state in zero field 共a兲, or at negative field H 3 = −77 Oe, applied for 2 min 共b兲.

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