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Document Type

Original Article

Abstract

In this paper, electrodeposition technique has been successfully utilized to fabricate arrays of ferromagnetic nanowires in different templates with various compositions and dimensions. These templates were dissolved by some chemical solutions and the nanowires were released in dilute suspensions using sonication bath. The dilute suspensions were then spilled onto silicon substrates using a pipette to create single ferromagnetic nanowires. The results of this study have been investigated using scanning electron microscopy. The concentration of the solutions and the period of time required to dissolve these templates were chosen according to successive experiments. To understand the effect of sonication time on the releasing process, different sonication times were tested. The addition of isopropanol alcohol to the suspension was found to be critical to determine the density distributions of single nanowires deposited on the substrates. Image analysis of a large number of deposited nanowires revealed the presence of individual, chains and bundles of nanowires. These nanowires were found to be homogeneous and cylindrical in shape, adhere to the substrates surface. This was attributed to the electrostatic or magnetostatic forces. This result is very importance in industry and technology sectors, since it allows performing all the nanofabrication processes of magnetic devices with a very high accuracy.

Publication Date

8-1-2017

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