Ion beams pave way to new kinds of valves for use in spintronics

Researchers have tested a new approach to fabricating spin valves. Using ion beams, they structured an iron aluminum alloy in such a way as to subdivide the material into individually magnetizable regions at the nanometer scale. The alloy functions as a spin valve, which is of interest for use in spintronics. Not only does this technology use electron charge for purposes of information storage and processing, it also draws on its inherent magnetic properties (that is, its spin).

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