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Progress to high density, low power Skyrmion based memory

• nextbigfuture.com by brian wang

This is progress towards a skyrmion-based memory device. The potential memory that is smaller by an order of magnitude and uses less power.

The next hurdles the researchers must clear is fabricating devices while ensuring consistency of magnetic properties. The details of the physical mechanisms governing the stabilization of skyrmions in nanostructures, and their reading and writing, remain to be fully established.

Abstract

Magnetic skyrmions are nanoscale topological spin structures offering great promise for next-generation information storage technologies. The recent discovery of sub-100-nm room-temperature (RT) skyrmions in several multilayer films has triggered vigorous efforts to modulate their physical properties for their use in devices. Here we present a tunable RT skyrmion platform based on multilayer stacks of Ir/Fe/Co/Pt, which we study using X-ray microscopy, magnetic force microscopy and Hall transport techniques.


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