%0 Journal Article
%A Khan, M. Imtiaz
%A Cramm, Stefan
%A Bürgler, Daniel E.
%A Parlak, Umut
%A Nemšák, Slavomir
%A Gottlob, Daniel M.
%A Hackl, Johanna
%A Doğanay, Hatice
%A Schneider, Claus M.
%T Current-induced domain wall oscillations in a nanowire imaged by time-resolved photoemission electron microscopy
%J Journal of magnetism and magnetic materials
%V 476
%@ 0304-8853
%C Amsterdam
%I North-Holland Publ. Co.
%M FZJ-2019-05635
%P 538 - 545
%D 2019
%X We study reversible domain wall motion in half-ring nanowires on a nanosecond (ns) timescale in a truly current-induced pump-probe experiment using an energy filtered, aberration-corrected photoemission electron microscope. The X-ray magnetic circular dichroism signal is probed at different time delays before, during and after the current pulse in a stroboscopic mode with circularly polarized synchrotron radiation in the energy range of the Fe -edge (707 eV). We observe lateral domain wall oscillations with a frequency of 0.4 GHz. Comparing the results to a proposed string model, we find that the domain wall oscillations can be described as string-like asymmetric oscillations.
%F PUB:(DE-HGF)16
%9 Journal Article
%U <Go to ISI:>//WOS:000456696000082
%R 10.1016/j.jmmm.2019.01.003
%U https://juser.fz-juelich.de/record/866545