Electrical Detection of Magnetic Skyrmions

Magnetic skyrmions are vortex-like spin textures that possess small size, nontrivial topology and high mobility which make them great promise as data carriers for high-density, high-velocity, and low-energy-consumption memory devices. In order to achieve this purpose, it is necessary to transfer the magnetic signal of a single skyrmion into an electrical signal. Here, we give an overview of recent progress in the active research field. Skyrmion and the corresponding memory device are firstly introduced, which is followed by the experimental achievements to electrical detection of magnetic skyrmion in both bulk and nanostructured materials. Finally, we discussed the electrical signal of other localized magnetic structures, which remains unexplored.