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Spin electronics

A quantum leap

A new design for reprogrammable microprocessors based on single magnetoresistive elements has the potential to thrust magnetoelectronics from journal concept to everyday product.

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Figure 1: The operation of tunnel magnetoresistance (TMR) and giant magnetoresistance (GMR) devices.
Figure 2: The 'chameleon' processor design for a magnetic logic gate cell, composed of a magnetoresistive element and three independent current-carrying leads (A, B and C)2.

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Moodera, J., LeClair, P. A quantum leap. Nature Mater 2, 707–708 (2003). https://doi.org/10.1038/nmat1006

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