Multi-color imaging of magnetic Co/Pt heterostructures

Abstract : We present an element specific and spatially resolved view of magnetic domains in Co/Pt heterostructures in the extreme ultraviolet spectral range. Resonant small-angle scattering and coherent imaging with Fourier-transform holography reveal nanoscale magnetic domain networks via magnetic dichroism of Co at the M-2,M-3 edges as well as via strong dichroic signals at the O-2,O-3 and N-6,N-7 edges of Pt. We demonstrate for the first time simultaneous, two-color coherent imaging at a free-electron laser facility paving the way for a direct real space access to ultrafast magnetization dynamics in complex multicomponent material systems. (C) 2017 Author(s).
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Submitted on : Thursday, September 20, 2018 - 11:39:59 AM
Last modification on : Wednesday, July 3, 2019 - 10:48:03 AM

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Felix Willems, Clemens von Korff Schmising, David Weder, Christian Günther, Michael Schneider, et al.. Multi-color imaging of magnetic Co/Pt heterostructures. Earthquake Engineering and Structural Dynamics, Wiley, 2017, 4 (1), ⟨10.1063/1.4976004⟩. ⟨hal-01877728⟩

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