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Proceedings Paper

Iron-manganese nanowires for magnetoresistance
Author(s): Joshua M. Brown; Chester Wilson
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Paper Abstract

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.

Paper Details

Date Published: 5 May 2010
PDF: 9 pages
Proc. SPIE 7679, Micro- and Nanotechnology Sensors, Systems, and Applications II, 767928 (5 May 2010); doi: 10.1117/12.850431
Show Author Affiliations
Joshua M. Brown, Louisiana Tech Univ. (United States)
Chester Wilson, Louisiana Tech Univ. (United States)

Published in SPIE Proceedings Vol. 7679:
Micro- and Nanotechnology Sensors, Systems, and Applications II
Thomas George; M. Saif Islam; Achyut Kumar Dutta, Editor(s)

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