Structure and magnetic properties of CoxCu1−x nanowires in self-assembled arrays

Kashi, M. Almasi; Ramazani, A.; Najafabadi, F. Adelnia

doi:10.1016/j.jallcom.2012.06.061

Journal of Alloys and Compounds

2012

DOI: 10.1016/j.jallcom.2012.06.061

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Structure and magnetic properties of CoxCu1−x nanowires in self-assembled arrays

M. Almasi Kashi¹,

A. Ramazani²,

F. Adelnia Najafabadi³

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Cited by 8 publications

(1 citation statement)

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“…26 Previous reports by electrodeposition to preparation Co/Cu alloy results in the maximum control range of Co only upto 68%. 16,21,26,27 So, it is critical to have the ability to control the composition of alloys over a wider range to expand its application.…”

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confidence: 99%

The Composition and Magnetic Property of Co/Cu Alloy Microwires Prepared Using Meniscus-Confined Electrodeposition: Effect of [Co²⁺], [Cu²⁺] Concentration at the Tip of the Meniscus

Lei

Zhang

Nie

et al. 2021

J. Electrochem. Soc.

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Meniscus-confined electrodeposition (MCED) is an effective and versatile technique for fabrication of alloy structures with precise localization and high controllability. Here, the fabrication of cobalt-copper (Co/Cu) alloy microwires using MCED techniques is reported. Co/Cu microwires with a wide range of compositions (Co9Cu91 to Co100Cu0) and controllable morphology were printed using the co-electrodeposition mode from a single electrolyte. We utilized multiphysics finite element simulation to investigate the influence of electrolyte evaporation and electric field on the concentration distribution of metal ions in the meniscus. The concentration of ions at the substrate interface increases linearly with decreasing humidity and increasing current density, which can be used to fine turn the alloy composition. By further analyzing the alloy composition, we found that the electrodeposition of Cu is diffusion controlled, while Co is mainly electrochemical reaction controlled, as a results of combined action of surface evaporation and reaction dynamics in the meniscus. The prepared alloy wires are polycrystalline, dense and uniform composition distribution. The coercivity and magnetic anisotropy are enhanced by increasing of the copper content in the alloy wires. The high tunability of composition make this alloy a promising material for magnetic micro/nano-electromechanical devices.

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The Composition and Magnetic Property of Co/Cu Alloy Microwires Prepared Using Meniscus-Confined Electrodeposition: Effect of [Co²⁺], [Cu²⁺] Concentration at the Tip of the Meniscus

Lei

Zhang

Nie

et al. 2021

J. Electrochem. Soc.

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Large-area and uniform amorphous metallic nanowire arrays prepared by die nanoimprinting

Liu

Shao

et al. 2014

Journal of Alloys and Compounds

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Structural and magnetic tunability of Co/Cu multilayer nanowires induced by electrolyte acidity and spacer layer thickness

Kashi

Ghaffari

Torshizi

2020

Journal of Alloys and Compounds

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Structure and magnetic properties of CoxCu1−x nanowires in self-assembled arrays

Cited by 8 publications

References 23 publications

The Composition and Magnetic Property of Co/Cu Alloy Microwires Prepared Using Meniscus-Confined Electrodeposition: Effect of [Co²⁺], [Cu²⁺] Concentration at the Tip of the Meniscus

The Composition and Magnetic Property of Co/Cu Alloy Microwires Prepared Using Meniscus-Confined Electrodeposition: Effect of [Co²⁺], [Cu²⁺] Concentration at the Tip of the Meniscus

Large-area and uniform amorphous metallic nanowire arrays prepared by die nanoimprinting

Structural and magnetic tunability of Co/Cu multilayer nanowires induced by electrolyte acidity and spacer layer thickness

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Structure and magnetic properties of CoxCu1−x nanowires in self-assembled arrays

Cited by 8 publications

References 23 publications

The Composition and Magnetic Property of Co/Cu Alloy Microwires Prepared Using Meniscus-Confined Electrodeposition: Effect of [Co2+], [Cu2+] Concentration at the Tip of the Meniscus

The Composition and Magnetic Property of Co/Cu Alloy Microwires Prepared Using Meniscus-Confined Electrodeposition: Effect of [Co2+], [Cu2+] Concentration at the Tip of the Meniscus

Large-area and uniform amorphous metallic nanowire arrays prepared by die nanoimprinting

Structural and magnetic tunability of Co/Cu multilayer nanowires induced by electrolyte acidity and spacer layer thickness

Contact Info

Product

Resources

About

The Composition and Magnetic Property of Co/Cu Alloy Microwires Prepared Using Meniscus-Confined Electrodeposition: Effect of [Co²⁺], [Cu²⁺] Concentration at the Tip of the Meniscus

The Composition and Magnetic Property of Co/Cu Alloy Microwires Prepared Using Meniscus-Confined Electrodeposition: Effect of [Co²⁺], [Cu²⁺] Concentration at the Tip of the Meniscus