Magnetoresistive effects in planar NiFe nanoconstrictions

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Date
2004-06-01
Author
Florez, S. H.
Dreyer, M.
Schwab, K.
Sanchez, C.
Gomez, R.D.
Citation
S. H. Florez, M. Dreyer, K. Schwab, C. Sanchez, and R. D. Gomez*, “Magnetoresistive effects in planar NiFe nanoconstrictions”, Journal of Applied Physics 95, 2004, 6720.
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Abstract
This study focuses on domain wall resistance in Ni80Fe20 nanowires containing narrow constrictions down to 15 nm in width. Distinct differences in the magnetoresistance curves were found to depend on the constriction size. Wider constrictions are dominated by the overall anisotropic magnetoresistance of the structure, while constrictions narrower than ;40 nm exhibit an additional distinct contribution from a domain wall. The effect is negative and typically varies from 1% to 5%.
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http://hdl.handle.net/1903/8291
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Copyright 2004 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article may be found at http://jap.aip.org/.