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Figure 4
Diffraction scans with the wavevector, qy, transferred along the y-axis perpendicular to the magnetic stripes. Left (dotted line), I, and right (solid line), I+, circularly polarized X-rays with energy tuned to the Fe L3 absorption edge (λ = 17.5 Å) impinge at an angle of Θ = 12° relative to the surface plane. The inset shows the values of IA = (I+I)/(I+ + I) versus Θ for the first-order (solid symbols) and second-order (open symbols) magnetic satellite peaks. The solid and dotted lines are a fit to the data as described in the text.

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