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SEM images of the Co antidot arrays in two different lattice geometries, (a) square and (b) rhomboid.
MOKE hysteresis loops obtained along different directions of applied magnetic field with respect to the lattice geometry, (a) square and (b) rhomboid lattice. Inset shows the applied-field direction. Note that the antidot image and the arrow are only guides for the eyes.
Coercivity , and in case of (a) square and (b) rhomboid lattices, obtained from the MOKE hysteresis loops according to the direction of the external magnetic field with respect to the lattice direction.
Remenant state MFM images of the cobalt antidot arrays: For the square lattice measured along (a) the 0° and (b) the 45° directions, and for the rhomboid lattice measured along (c) the 0° and (d) the 30° direction. Arrows indicate the magnetization direction.
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