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TT: Fachverband Tiefe Temperaturen

TT 76: Focus Session: Curvilinear magnetism: Magnetics with nanoscale curved geometries (joint session MA/TT)

TT 76.5: Hauptvortrag

Donnerstag, 12. März 2026, 11:45–12:15, POT/0151

Magnetic tomography of noncollinear spin textures in curvilinear geometries — •Sandra Ruiz-Gomez — ALBA Synchrotron, Barcelona, Spain

Three-dimensional nanomagnetic systems offer a unique platform for discovering and controlling complex spin textures. Recent advances in 3D nanofabrication, magnetic characterization techniques, and micromagnetic modeling are now enabling precise control of curvature, torsion, and geometry at the nanoscale, opening new routes for engineering spin textures in three-dimensional architectures.

In this talk, I will present our latest results on how geometrical design and 3D architecture can be exploited to tailor the energy landscape of domain walls, manipulate their topological properties, and guide their motion from straight nanowires to more complex curved cylindrical and tubular geometries. By combining state-of-the-art fabrication techniques with high-resolution imaging and theoretical analysis, we identify how curvature can be harnessed to stabilize complex spin textures, enabling deterministic control over their dynamics.

Overall, this work highlights how 3D nanomagnetism can be leveraged to access new regimes of topological control, with implications for next-generation spintronic devices, robust information carriers, and reconfigurable magnetic architectures.

Keywords: Nanomagnetism; Spin textures; Magnetic Microscopy; Magnetic Dynamics