Asymmetric field dependence of magnetoresistance in magnetic films

A. Segal*, O. Shaya, M. Karpovski, A. Gerber

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We study an asymmetric in field magnetoresistance that is frequently observed in magnetic films and, in particular, the odd longitudinal voltage peaks that appear during magnetization reversal in ferromagnetic films, with out-of-plane magnetic anisotropy. We argue that the anomalous signals result from small variation in magnetization and Hall resistivity along the sample. Experimental data can be well described by a simple circuit model, the latter being supported by analytic and numerical calculations of current and electric field distribution in films with a gradual variation in the magnetization and Hall resistance.

Original languageEnglish
Article number144434
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number14
StatePublished - 1 Apr 2009


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