Magnetic properties of thin films

Thin magnetic films, often just a few atomic layers thick, display collective behaviors—such as stable whirlpool-like spin textures called skyrmions and precisely controllable domain walls—that bulk magnets simply do not exhibit. Researchers study how these phenomena arise from interfacial symmetry breaking, spin-orbit coupling, and the interplay between electron spin and charge transport, with the practical aim of encoding and moving information without the heat losses that plague conventional charge-based electronics. A central challenge is stabilizing these quantum magnetic structures at room temperature and integrating them reliably into devices like magnetic tunnel junctions and domain-wall logic gates. Current work is pushing toward faster, lower-power memory and logic by asking how nanoparticles, antiferromagnetic layers, and the Spin Hall Effect can be harnessed to write and read spin states with greater speed and precision.

Works

139,234

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2,222,870

Keywords

SkyrmionsSpintronicsMagnetic Tunnel JunctionsSpin Hall EffectRoom TemperatureNanoparticles