A5114677063- Magnetic properties of thin films
- Physics of Superconductivity and Magnetism
- Multiferroics and related materials
- Phase-change materials and chalcogenides
- Theoretical and Computational Physics
- Advanced Memory and Neural Computing
- Magnetic and transport properties of perovskites and related materials
- Ferroelectric and Negative Capacitance Devices
- Semiconductor Quantum Structures and Devices
- Characterization and Applications of Magnetic Nanoparticles
- Semiconductor materials and devices
- nanoparticles nucleation surface interactions
- Magnetic Properties and Applications
Spintronique et Technologie des Composants
2020-2022
Centre National de la Recherche Scientifique
2019-2022
Université Grenoble Alpes
2019-2022
CEA Grenoble
2019-2022
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2019-2022
Institut polytechnique de Grenoble
2019-2021
Magnetic skyrmions are deemed to be the forerunners of novel spintronic memory and logic devices. While their observation current-driven motion at room temperature have been demonstrated, certain issues regarding nucleation, stability, pinning, skyrmion Hall effect still need overcome realize functional Here, we demonstrate that focused He+-ion-irradiation can used create guide in racetracks. We show reduction perpendicular magnetic anisotropy Dzyaloshinskii–Moriya interaction track defined...
The current-driven motion of magnetic skyrmions is an essential functionality for next-generation memory and logic devices. This paper provides a complete, detailed experimental study model system composed ultrathin Pt/Co/MgO film, in which 100-nm move at high speeds 100 m/s exhibit velocity-dependent skyrmion Hall effect. Detailed characterization the film properties using experiment, analytical modeling, micromagnetic simulation reveals that this behavior can be fully accounted by pinning...
Magnetic skyrmions are topological spin textures that hold great promise as nanoscale information carriers in non-volatile memory and logic devices. While room-temperature magnetic their current-induced manipulation were recently demonstrated, the stray field resulting from finite magnetization well charge limit minimum size reliable motion tracks. Antiferromagnetic (AF) allow these limitations to be lifted owing vanishing net zero charge, promising room-temperature, ultrasmall skyrmions,...
Magnetic skyrmions are topological spin textures holding great potential as nanoscale information carriers. Recently, have been predicted in antiferromagnets, with key advantages terms of stability, size, and dynamical properties over their ferromagnetic analogs. However, experimental demonstration is still lacking. Here, we show the imprint from into a thin film an IrMn antiferromagnet, at room temperature zero external magnetic field, using exchange-bias. Using high-spatial-resolution...
Magnetic skyrmions are topologically protected spin textures of great interest for nanoscale information storage and processing. However, stabilizing small without applying an external magnetic field remains challenging. This study employs a thin ferromagnetic layer exchange-biased by antiferromagnetic film to stabilize around 60 nm in diameter, at zero field. In such structure, exchange bias enhances skyrmion stability against perturbations, making this promising platform spintronic devices.