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Co/Ni(111) superlattices studied by microscopy, x-ray absorption, and ab initio calculations

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FIG. 1. (Color online) STEM analysis of a (Co 1ML Ni 3ML ) × 20/Au/(Co 3ML Ni 3ML ) × 20 spin valve: (top) Low-magnification HAADF image showing the Au and Co/Ni stacking and, adjusting the contrast, the Co/Ni bilayers inset.
FIG. 2. (Color online) Structure analysis of an Al 2 O 3 /V/Au/
TABLE I. Lattice distances measured by XRD on a (Co 3ML Ni 3ML ) × 75 SL (Fig. 2) compared to calculation using elastic theory
FIG. 3. (Color online) (a) Architecture of the wedges and (b) in- in-tensity at the L 3 Co edge for two wedges with a Co thickness variation in the range 0.25 to 10 MLs
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