Bidirectional magnetic nanowire shift register

O’Brien, L.; Read, D. E.; Zeng, H. T.; Lewis, E. R.; Petit, D.; Cowburn, R. P.
December 2009
Applied Physics Letters;12/7/2009, Vol. 95 Issue 23, p232502
Academic Journal
We experimentally demonstrate a shift register based on an open-ended chain of ferromagnetic NOT gates which can support bidirectional data flow. Up to eight data bits are electrically input to the device, stored for extended periods without power, and then output either in a first in first out or last in first out scheme. Comparing to traditional transistor-based logic, this bidirectionality offers a range of devices that are reversible and not limited to only one mode of operation.


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