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Condensed Matter > Materials Science
Title: Effect of intense x-ray free-electron laser transient gratings on the magnetic domain structure of Tm:YIG
(Submitted on 8 Aug 2022 (v1), last revised 3 Mar 2023 (this version, v2))
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.
Submission history
From: Victor Ukleev Dr [view email][v1] Mon, 8 Aug 2022 15:06:18 GMT (1828kb)
[v2] Fri, 3 Mar 2023 09:14:37 GMT (1832kb)
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