Lepadatu, S and Xu, Y B (2004) Discontinuous resistance change and domain wall scattering in patterned NiFe wires with a nanoconstriction. IEEE TRANSACTIONS ON MAGNETICS. pp. 2688-2690. ISSN 0018-9464Full text available as:
A nonlinear current-voltage (I-V) characteristic was observed in patterned NiFe wires with a central "bow-tie" point contact constriction. By passing a dc current through the wire, a sharp resistance drop was obtained for current densities in the range of 1.1-1.4 x 10(7) A/cm(2). This is attributed to current-induced domain wall drag, resulting in displacement of a domain wall away from the constriction. A maximum current-induced resistance change of 0.079% was obtained for a 100-nm constriction, which is comparable with the magnetoresistance due to domain wall scattering in NiFe.
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|Keywords:||domain wall movement, domain wall scattering, magnetoresistance, nanoconstriction, RESISTIVITY, MOTION|
|Academic Units:||The University of York > Electronics (York)|
|Depositing User:||Repository Officer|
|Date Deposited:||18 Dec 2006|
|Last Modified:||17 Oct 2013 14:25|