Megahertz-rate ultrafast X-ray scattering and holographic imaging at the European XFEL

Zhou Hagström, N.; Schneider, M.; Kerber, N.; Yaroslavtsev, A.; Burgos Parra, E.; Beg, M.; Lang, M.; Günther, C.M.; Seng, B.; Kammerbauer, F.; Popescu, H.; Pancaldi, M.; Neeraj, K.; Polley, D.; Jangid, R.; Hrkac, S.B.; Patel, S.K.K.; Ovcharenko, S.; Turenne, D.; Ksenzov, D.; Boeglin, C.; Baidakova, M.; von Korff Schmising, C.; Borchert, M.; Vodungbo, B.; Chen, K.; Luo, C.; Radu, F.; Müller, L.; Martínez Flórez, M.; Philippi-Kobs, A.; Riepp, M.; Roseker, W.; Grübel, G.; Carley, R.; Schlappa, J.; Van Kuiken, B.E.; Gort, R.; Mercadier, L.; Agarwal, N.; Le Guyader, L.; Mercurio, G.; Teichmann, M.; Delitz, J.T.; Reich, A.; Broers, C.; Hickin, D.; Deiter, C.; Moore, J.; Rompotis, D.; Wang, J.; Kane, D.; Venkatesan, S.; Meier, J.; Pallas, F.; Jezynski, T.; Lederer, M.; Boukhelef, D.; Szuba, J.; Wrona, K.; Hauf, S.; Zhu, J.; Bergemann, M.; Kamil, E.; Kluyver, T.; Rosca, R.; Spirzewski, M.; Kuster, M.; Turcato, M.; Lomidze, D.; Samartsev, A.; Engelke, J.; Porro, M.; Maffessanti, S.; Hansen, K.; Erdinger, F.; Fischer, P.; Fiorini, C.; Castoldi, A.; Manghisoni, M.; Wunderer, C.B.; Fullerton, E.E.; Shpyrko, O.G.; Gutt, C.; Sanchez-Hanke, C.; Dürr, H.A.; Iacocca, E.; Nembach, H.T.; Keller, M.W.; Shaw, J.M.; Silva, T.J.; Kukreja, R.; Fangohr, H.; Eisebitt, S.; Kläui, M.; Jaouen, N.; Scherz, A.; Bonetti, S.; Jal, E.

doi:10.1107/S1600577522008414

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Figure 3
MHz-rate time-resolved magnetic X-ray scattering. Resonant Co L₃-edge scattering pattern of a CoFe/Ni thin film multilayer recorded at (a) the SEXTANTS beamline at Synchrotron SOLEIL and (b) the SCS beamline at the EuXFEL. The first-order magnetic scattering is observed along the top-left to bottom-right diagonal. The scattering from the non-magnetic grating is the feature visible along the opposite diagonal. The intensity is in linear scale and normalized to the maximum magnetic scattering amplitude. (c) Time-resolved pump–probe data recorded on the same sample. Black symbols: data from the EuXFEL, computed as the azimuthally integrated intensity of the first-order peak in the frames when the pump laser was impinging on the sample, divided by the nearest previous unpumped frame. Gray symbols: data from a table-top MOKE setup with different pump fluence. The solid lines show the fit to the data. Further details are given in the main text.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 29| Part 6| November 2022| Pages 1454-1464

https://doi.org/10.1107/S1600577522008414

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