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Hard axis curves of thin films used in FC: open squares, 3000 Å; open circles, 3000 Å; open triangles, (ML SAF). Inset, easy axis curves for a SL and the ML SAF films.
MFM images. (Top) Partial view of SDs obtained by scanning the pole region of a FC, integrating a SL film of 3000 Å for two uniform applied magnetic fields . (a) . (b) , with field direction and polarity represented by arrows and the edge of the pole, sheet film, easy axis, and downward probe scanning indicated. (c) Partial view of CDs obtained by scanning the pole region of FC integrating a single layer film of 3000 Å.
Bitter pattern images of FC, integrating a SL film of 3000 Å. (a) Partial view of poles and gap regions. (b) Partial view of yoke (top) and pole (bottom) regions.
MR responses of SV sensors when either isolated (data symbols, solid) or located in the gap of FC (data symbols, open), geometrically similar but integrating magnetically different thin films. (a) square symbols, batch with SD states in the FC, circular symbols, batch with CD states in the FC. (b) Triangular data symbols, batch that integrate ML SAF in the FC. Also indicated the alignment of the films easy axis in the FC.
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