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Title: Current inhomogeneity effect in single-layer ferromagnetic antirectangular structures
Authors: Wang, C.C. 
Adeyeye, A.O. 
Wu, Y.H. 
Jalil, M.B.A. 
Issue Date: 15-Jan-2005
Source: Wang, C.C.,Adeyeye, A.O.,Wu, Y.H.,Jalil, M.B.A. (2005-01-15). Current inhomogeneity effect in single-layer ferromagnetic antirectangular structures. Journal of Applied Physics 97 (2) : -. ScholarBank@NUS Repository.
Abstract: The magnetotransport properties of antirectangular arrays (2×10 μ m2) embedded into 200-Å -thick continuous Ni80 Fe20 films with the interhole spacing equal to 2 μm have been investigated. We observed that the inhomogeneous current-density distribution, due to the placement of electrical contacts, caused an unusual positive magnetoresistance (MR) behavior for the in-plane longitudinal measurements. Finite element simulations on current-density distribution are in agreement with experimental data on small area antirectangular structures. For the continuous film, however, the current-density distribution does not play a significant role in determining the shape of the MR curve. © 2005 American Institute of Physics.
Source Title: Journal of Applied Physics
ISSN: 00218979
DOI: 10.1063/1.1828608
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