A Study on the Magnetic Properties of Electrodeposited Cobalt-based Monolayer and Multilayer Alloys for Magnetic Sensor Application
J. Environ. Nanotechnol., Volume 15, No 1 (March 2026) pp. 232-242
Abstract
This work aims to investigate the magnetic characteristics of electrodeposited cobalt-nickel based monolayer and multilayer alloy coatings. The coatings were fabricated from chloride electrolyte with zinc and phosphorous incorporated to examine their influence on structural and magnetic behavior. Structural, and compositional analyses were carried out using X-Ray diffraction patterns, Field Emission Scanning Electron Microscope micrographs, and Energy Dispersive X-ray analysis. Magnetic properties were evaluated through hysteresis loop measurements and magnetoimpedance analysis. The results show that the incorporation of phosphorous in multilayer coatings affects the co-deposition of cobalt-nickel, leading to observable changes in microstructural features and magnetic behaviour compared with monolayer alloys. In particular, Co-Ni-P/Zn multilayer coating exhibits dependence of impedance on the applied magnetic field.
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