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Sameh Okasha focuses on nanoscale characterization of magnetic materials, particularly current-driven dynamics of domain walls in 3D racetrack memory devices. Employing techniques like focused electron beam induced deposition (FEBID) and advanced 3D nanofabrication, he integrates state-of-the-art in situ transmission electron microscopy (TEM) techniques, electron holography, and 4D-STEM. His research involves close collaboration with an international research institute to investigate the real-time behavior of domain walls and 3D spin textures under applied electrical currents. His broader interests encompass magnetic nanostructures, functional materials, and advanced electron microscopy methods, aimed at uncovering device-level physical phenomena. This integrated approach contributes to the understanding of 3D spintronic devices, paving the way for efficient data storage solutions.