Tuning the coercivity of Cu/Ni multilayer nanowire arrays by tailoring multiple parameters
Deposition
DOI:
10.1016/j.matdes.2017.03.041
Publication Date:
2017-03-16T15:51:43Z
AUTHORS (8)
ABSTRACT
Abstract Cu/Ni multilayer nanowire arrays with well controlled diameters, Cu and Ni layer thickness and varying periodicity were fabricated by multi potential deposition technique in etched ion-track template at room temperature. A facile method was adopted to confirm the different layer thickness and corresponding component by only removing the Cu layer. The pure Ni and Cu layer were confirmed in the Cu/Ni multilayer nanowires by using the new method and XRD analysis. The relationships between the coercivity and nanowire diameter, layer thickness and periodicity were obtained by carrying out vibrating sample magnetometry (VSM) measurement. The results indicated that the coercivity of multilayer nanowire arrays can be tuned significantly by nanowire diameter, periodicity, Cu and Ni layer thickness. In order to explain the experimental phenomena, Pant's model was modified and adopted to successfully explain the variation of demagnetizing field in Cu/Ni multilayer nanowire arrays after tailoring multiple parameters.
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