Abstract:
:We introduce a method to study the spatial profiles of standing spin waves in ferromagnetic microstructures. The method relies on Nuclear Resonant Scattering of 57Fe using a microfocused beam of synchrotron radiation, the transverse coherence length of which is smaller than the length scale of lateral variations in the magnetization dynamics. Using this experimental method, the nuclear resonant scattering signal due to a confined spin wave is determined on the basis of an incoherent superposition model. From the fits of the Nuclear Resonant Scattering time spectra, the precessional amplitude profile across the stripe predicted by an analytical model is reconstructed. Our results pave the way for studying non-homogeneous dynamic spin configurations in microstructured magnetic systems using nuclear resonant scattering of synchrotron light.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Gollwitzer J,Bocklage L,Schlage K,Herlitschke M,Wille HC,Leupold O,Adolff CF,Meier G,Röhlsberger Rdoi
10.1038/s41598-018-29596-zsubject
Has Abstractpub_date
2018-07-26 00:00:00pages
11261issue
1issn
2045-2322pii
10.1038/s41598-018-29596-zjournal_volume
8pub_type
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