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Lattice mismatch of and systems shown as functions of Fe concentration (Refs. 2 and 10). The lattice mismatch is calculated by the definition , where and are the lattice constants of the bulk (Ref. 10) and the substrate.
(a) MEED oscillation curves of various films grown on at RT. (b) MEED curves of Fe films grown on 15 ML at RT.
(Color online) LEED patterns of the various 15 ML taken at with the beam energy of .
(Color online) (a) Vertical lattice constants of 17 ML (square) (Ref. 13), bulk (solid circle) (Ref. 10), and 15 ML (open circle) as functions of Fe concentration . All the films are grown at RT. (b) Vertical lattice constants of 15 ML Fe films grown on 17 ML (circle) (Ref. 13) and 21 ML Fe films grown on 15 ML (square). The arrows indicate the lattice constants of bulk Cu, , and Fe.
(Color online) (a) Normalized hysteresis loops of 21 ML Fe/15 ML and 15 ML Fe/17 ML measured at 100 and , respectively. (b) Interface exchange bias coupling energy of the bilayers on and Cu(100) calculated from the MOKE data.
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