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Racetrack Memory: A high-performance, low-cost, non-volatile memory based on magnetic domain walls

We have demonstrated the key components of the Racetrack Memory. In particular, we have shown that a series of DWs can be moved at high speed along magnetic nanowires by using nanosecond long current pulses for both in-plane and perpendicularly magnetized racetracks. The spacing between DWs has been reduced significantly by using a perpendicularly magnetized RT. Higher storage densities can be achieved by optimizing the materials of the RT (Fig.11) and by scaling the racetrack width.