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Change of direction

The magnetization direction in the centre of a submicrometre magnetic disk can now be switched by an electrical current. This discovery demonstrates the potential of realizing all-electrically controlled magnetic memory devices.

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Figure 1: Magnetic vortex-core reversal.

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Cowburn, R. Change of direction. Nature Mater 6, 255–256 (2007). https://doi.org/10.1038/nmat1877

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