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The research presented in this abstract pertains to nanowire-structured magnetic sensors fabricated by pulsed, template
electrodeposition relying on giant magnetoresistance (GMR). System fabrication involves electrodepositing metals with
a DC-biased square wave from a solution of iron-manganese solution into the porous aluminum oxide surface of an
aluminum sheet. The chemical make-up of the resulting 20nm diameter, 500nm length nanowires was 6 at% manganese
and 45 at% iron, which is desirable because the ferromagnetic layers (Fe) should be large in comparison with the nonmagnetic
layers (Mn). The resulting nanowires exhibited a 73% drop in resistance when exposed to an external magnetic
field.
Joshua M. Brown andChester Wilson
"Iron-manganese nanowires for magnetoresistance", Proc. SPIE 7679, Micro- and Nanotechnology Sensors, Systems, and Applications II, 767928 (5 May 2010); https://doi.org/10.1117/12.850431
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Joshua M. Brown, Chester Wilson, "Iron-manganese nanowires for magnetoresistance," Proc. SPIE 7679, Micro- and Nanotechnology Sensors, Systems, and Applications II, 767928 (5 May 2010); https://doi.org/10.1117/12.850431