Magnetic vortices - so-called skyrmions - were predicted theoretically more than 25 years ago, but it has only been possible to observe them experimentally in magnetic materials in recent years. Skyrmions are stable, can have a diameter of just a few nanometres, and can be moved efficiently by electrical currents. Therefore, they are presently being discussed as candidates for high density, energy-saving data storage and processing. However, until very recently, the only materials known to exhib...
Magnetic vortices - so-called skyrmions - were predicted theoretically more than 25 years ago, but it has only been possible to observe them experimentally in magnetic materials in recent years. Skyrmions are stable, can have a diameter of just a few nanometres, and can be moved efficiently by electrical currents. Therefore, they are presently being discussed as candidates for high density, energy-saving data storage and processing. However, until very recently, the only materials known to exhib...
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