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(a) TEM cross-sectional image of ECC film with N = 5 (inset is the corresponding plan-view image); (b) the perpendicular major loops of the hard layer and the soft layer with N = 5, respectively.
(a) The major loops and DCD curves, and (b) the summarization of the Hc , Hcr , and Hs of PMR (N = 0) and ECC films with various N measured at 5 K.
The FORC family (a)-(d) and FORCs contour plot (e)-(h) of PMR and ECC films (ECC-N3, ECC-N5, and ECC-N7).
Fitted PNR data plotted as spin asymmetry and corresponding nuclear and field-dependent magnetic profiles for ECC-N7 (a)-(d) and ECC-N3 (e)-(h). Error bars correspond to ±1 sigma.
Depth profiles of magnetization polar angle of ECC-N7 with 0.05 T in-plane field calculated by energy surface model (Both hard and soft layers are divided into seven segments (1.8 nm).); the experimental result obtained from PNR is also plotted in blue solid line. The magnetization polar angle is deduced from the magnetic profile of 0.05 T normalized by the saturated profile (1.5 T).
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