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Figure 11
Illustration of the origin of the different line ratio in the Mössbauer reflectivity spectra at θ = 3.5 mrad (slightly below the critical angle) for the antiferromagnetic (a) and ferromagnetic (b) interlayer coupling. Calculations for the [57Fe(0.8 nm)/Cr(1.05 nm)]30 multilayer, [{\bf{B}}_{\rm{hf}}] = 33 T, [\Delta{\bf{B}}_{\rm{hf}}] = 0.5 T, the azimuth of the [{\bf{B}}_{\rm{hf}}] orientation is taken as 75°. The thick black lines show the total Mössbauer reflectivity spectra, blue dashed lines are the [\pi \Rightarrow \pi] reflected intensity, and thin red lines show the [\pi \Rightarrow \sigma] reflected intensity. The [\pi \Rightarrow \sigma] contribution is almost completely suppressed for the antiferromagnetic multilayer. For the ferromagnetic alignment, the [\pi \Rightarrow \sigma] contribution reduces the dips at the first, third, fourth and sixth line positions, which visually enlarges the second and fifth lines.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 25| Part 2| March 2018| Pages 473-483
https://doi.org/10.1107/S1600577517017192
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