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Science China Press

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(a) A geometry of NiFe-BWO magnetoelectric thin film device with four planar electrodes. (b) The deterministically reversible reversal of single magnetic vortex circulation by bi-axial pulsed electric field. (c) The space-varying strain evolves as a function of pulsed electric field numbers. (d) Dynamic mechanism of magnetic vortex reversal. (e) Electric-field-controlled magnetic vortex based data-storage devices.

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