Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.sna.2004.03.042
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dc.titlePlanar Hall effect and magnetoresistance in Co/Cu multilayer films
dc.contributor.authorAdeyeye, A.O.
dc.contributor.authorWin, M.T.
dc.contributor.authorTan, T.A.
dc.contributor.authorChong, G.S.
dc.contributor.authorNg, V.
dc.contributor.authorLow, T.S.
dc.date.accessioned2014-10-07T04:35:02Z
dc.date.available2014-10-07T04:35:02Z
dc.date.issued2004-10-04
dc.identifier.citationAdeyeye, A.O., Win, M.T., Tan, T.A., Chong, G.S., Ng, V., Low, T.S. (2004-10-04). Planar Hall effect and magnetoresistance in Co/Cu multilayer films. Sensors and Actuators, A: Physical 116 (1) : 95-102. ScholarBank@NUS Repository. https://doi.org/10.1016/j.sna.2004.03.042
dc.identifier.issn09244247
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/82916
dc.description.abstractThe magnetization reversal process and magnetotransport properties of [Co (10nm)/Cu (tCu)/Co (10nm)]2 multilayer films have been investigated using a combination of planar Hall effect (PHE) and anisotropic magnetoresistance (AMR) measurements. We have studied the effects of interlayer exchange coupling in the Co/Cu multilayer films by varying the thickness of the Cu spacer layer in the range 0≤tCu≤15nm for fixed Co thickness. We observed marked changes in both the magnetic and magnetotransport properties for varied tCu due to the effect of interlayer exchange coupling. For tCu=5nm, a complex magnetic spin state develops in the PHE output which may be attributed to anti-ferromagnetic coupling between the adjacent magnetic layers in contrast with ferromagnetic coupling observed for tCu=2nm. We have also made a direct comparison of AMR and PHE voltages as a function of the orientation of the constant applied field relative to the current direction. We observed that PHE output voltage is extremely sensitive to exact spin orientation when compared with AMR voltage measured simultaneously on the same device. When the applied field is less than the switching field of the device PHE voltage reveals a departure from the sin2θ behaviour predicted by theory due to domain wall propagation. © 2004 Elsevier B.V.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.sna.2004.03.042
dc.sourceScopus
dc.subjectInterlayer exchange coupling
dc.subjectMagnetoresistance
dc.subjectPlanar Hall effect
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1016/j.sna.2004.03.042
dc.description.sourcetitleSensors and Actuators, A: Physical
dc.description.volume116
dc.description.issue1
dc.description.page95-102
dc.description.codenSAAPE
dc.identifier.isiut000223903800015
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