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Effect of boron concentration on the magnetic properties of (FeCoNi) 100-xBx (x ¼ 15 and 20 wt%) nanowire arrays

Vieyra, Malini John, Borza, Firuta and Meydan, Turgut 2008. Effect of boron concentration on the magnetic properties of (FeCoNi) 100-xBx (x ¼ 15 and 20 wt%) nanowire arrays. Journal of Magnetism and Magnetic Materials 320 (20) , e712-e715. 10.1016/j.jmmm.2008.04.031

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Abstract

The Fe14.5Co16.5Ni55B15 and the Fe13Co15.5Ni51.5B20 ferromagnetic nanowires were deposited using the electrochemical deposition method. The structure of these nanowires was investigated using X-ray diffraction. Squid magnetometer was used to investigate the magnetic behavior. The hysteresis loops of 50 μm long nanowire arrays were studied as a function of boron concentration, nanowire diameter and field orientation. The competition between shape anisotropy and magnetostatic interactions played a vital role in determining the magnetic field necessary to saturate an array. The decrease in coercive field (Hc) and the squareness (SQ) of the hysteresis loop from 100 to 200 nm wire diameter for both types of compositions suggests the formation of multidomains in the nanowire.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Uncontrolled Keywords: Amorphous magnetic material; Magnetostatic interaction; Anisotropy
Publisher: Elsevier
ISSN: 0304-8853
Last Modified: 20 Oct 2017 23:24
URI: http://orca.cf.ac.uk/id/eprint/14345

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