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arXiv · 2208.04200

Effect of intense x-ray free-electron laser transient gratings on the magnetic domain structure of Tm:YIG

Victor Ukleev·Max Burian·Sebastian Gliga·C. A. F. Vaz·Benedikt Rösner·Danny Fainozzi·Gediminas Seniutinas·Adam Kubec·Roman Mankowsky·Henrik T. Lemke·Ethan R. Rosenberg·Caroline A. Ross·Elisabeth Müller·Christian David·Cristian Svetina·Urs Staub
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Abstract

Magnetic patterns can be controlled globally using fields or spin polarized currents. In contrast, the local control of the magnetization on the nanometer length scale remains challenging. Here, we demonstrate how magnetic domain patterns in a Tm-doped yttrium iron garnet (Tm:YIG) thin film with perpendicular magnetic anisotropy can be permanently and locally imprinted by high intensity photon pulses of a hard x-ray transient grating (XTG). Micromagnetic simulations provide a qualitative understanding of the observed changes in the orientation of magnetic domains in Tm:YIG and XTG-induced changes. The presented results offer a route for the local manipulation of the magnetic state using hard XTG.

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Victor Ukleev, Max Burian, Sebastian Gliga, C. A. F. Vaz, Benedikt Rösner, Danny Fainozzi, Gediminas Seniutinas, Adam Kubec, Roman Mankowsky, Henrik T. Lemke, Ethan R. Rosenberg, Caroline A. Ross, Elisabeth Müller, Christian David, Cristian Svetina, Urs Staub. 2022-08-08. Effect of intense x-ray free-electron laser transient gratings on the magnetic domain structure of Tm:YIG. https://doi.org/10.1063/5.0119241

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