Small-angle reflectivity spectrum (symbols) and simulated curve (lines) for ; the inset shows the respective high-angle diffraction scan.
In-plane (empty triangles) and out-of-plane (full circles) hysteresis loops for the and multilayers. The top inset shows the out-of-plane loop, and the bottom inset gives the (triangles) and (full circles) vs for the series, obtained from the out-of-plane loops. The lines are only guides for the eyes.
Effective anisotropy constants obtained by the area method analysis and those extracted from the fittings of the in-plane hysteresis loops as functions of for the series. The inset shows . The lines are guides to the eyes.
In-plane magnetization curves for multilayers for various . Symbols: experimental results; lines: best-fitting curves.
Values of the layer’s thicknesses and the root-mean-square roughness extracted from the fittings of the x-ray reflectivity patterns of the multilayer.
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