Kuru, HilalKoçkar, Hakan2022-10-202022-10-202013-04Kuru, H. vd. (2013). "Characterizations of NiCu/Cu Multilayers: Dependence of Nonmagnetic Layer Thickness". Journal of Superconductivity and Novel Magnetism, 26(4), Special Issue, 779-784.1557-19391557-1947https://doi.org/10.1007/s10948-012-1979-1https://link.springer.com/article/10.1007/s10948-012-1979-1http://hdl.handle.net/11452/29165Bu çalışma, 29 Nisan-04 Mayıs 2012 tarihleri arasında İstanbul[Türkiye]’da düzenlenen 3. International Conference on Superconductivity and Magnetism (ICSM)’da bildiri olarak sunulmuştur.A series of NiCu/Cu multilayers were grown on (110) textured polycrystalline Cu substrates from a single electrolyte under potentiostatic deposition conditions. Microstructure, magnetoresistance and magnetic properties of the multilayers were investigated as a function of the nonmagnetic layer thicknesses. The structural studies by X-ray diffraction revealed that the multilayers have face-centered-cubic structure with preferred (110) crystal orientation as their substrates. The composition of the deposits determined by energy dispersive X-ray spectroscopy showed that the Cu content of the films increased as the Cu layer thickness increased. The scanning electron microscope studies showed that samples have homogeneous and smooth surfaces. Multilayers exhibited either anisotropic magnetoresistance (AMR) or giant magnetoresistance (GMR) depending on the non-magnetic Cu layer thickness. The multilayers with Cu layer thickness thicker than 0.7 nm exhibited GMR, but the AMR effect was observed to be dominant for the Cu layer thickness less than 0.7 nm. The GMR curves are broad in shape and the nonsaturated curves indicated the predominance of a superparamagnetic contribution. The GMR magnitudes of NiCu/Cu multilayers are found to be about 1-1.5 %. The vibrating sample magnetometer measurements revealed that the saturation magnetization decrease with increasing nonmagnetic layer thickness. The changes in the magnetic and magnetotransport properties might arise from the change in the Ni and Cu content of the samples caused by the variation of Cu layer thicknesses.eninfo:eu-repo/semantics/closedAccessPhysicsElectrodepositionNiCu/Cu multilayersGMRXRDMagnetic filmsGiant magnetoresistanceCopperElectrodepositionGalvanomagnetic effectsGiant magnetoresistanceMagnetic filmsMultilayersSaturation magnetizationScanning electron microscopySuperparamagnetismX ray diffractionX ray spectroscopyAnisotropic magnetoresistanceEnergy dispersive X ray spectroscopyFace-centered-cubic structuresGiant magnetoresistances (GMR)Magnetic and magnetotransport propertiesVibrating sample magnetometerMagnetic multilayersArticle0003170145000102-s2.0-84876470030779784264, Special IssuePhysics, appliedPhysics, condensed matterCopper; Coercivity; Saturation Magnetization