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. 2016 Sep 12;6:32896. doi: 10.1038/srep32896

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Copyright © 2016, The Author(s)

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(a) Cu L₃ X-ray absorption spectra for the different superlattices measured, showing the successively vanishing linear dichroism. The XAS of the 80 uc thick film is virtually identical to the 8 uc SL and therefore left out. (b) Exemplary fit of the magnetic part. The remaining spectral weight between the elastic line (A) and the magnon (B) can be attributed to phonons including higher order harmonics²¹. The Multi Magnon part (C) has been fitted with a Gaussian line, as the higher order contributions are negligible for the position of the single magnon peak. (c) Cu L₃ RIXS data for the superlattices. Note the remaining peak at 2.7 eV, which is persisting across the atomic reorientation threshold (see text). Both (b,c) are taken at 10 K with σ polarization at q = 0.45(r.l.u.).

Inline graphic — (a) Cu L₃ X-ray absorption spectra for the different superlattices measured, showing the successively vanishing linear dichroism. The XAS of the 80 uc thick film is virtually identical to the 8 uc SL and therefore left out. (b) Exemplary fit of the magnetic part. The remaining spectral weight between the elastic line (A) and the magnon (B) can be attributed to phonons including higher order harmonics²¹. The Multi Magnon part (C) has been fitted with a Gaussian line, as the higher order contributions are negligible for the position of the single magnon peak. (c) Cu L₃ RIXS data for the superlattices. Note the remaining peak at 2.7 eV, which is persisting across the atomic reorientation threshold (see text). Both (b,c) are taken at 10 K with σ polarization at q = 0.45(r.l.u.).