- Title
- Electrospun, Oriented, Ferromagnetic Ni₁₋ₓFeₓ Nanofibers
- Creator
- Bhugra, Vaibhav S.; Williams, Grant V. M.; Chong, Shen V.; Nann, Thomas; Hughson, Fraser R.
- Relation
- Frontiers in Chemistry Vol. 8, no. 47
- Publisher Link
- http://dx.doi.org/10.3389/fchem.2020.00047
- Publisher
- Frontiers Research Foundation
- Resource Type
- journal article
- Date
- 2020
- Description
- Electrospinning has been used to fabricate ferromagnetic Ni0.47Fe0.53 nanofiber mats that were composed of individual, orientated Ni0.47Fe0.53 nanofibers. The key steps were processing a polyvinylpyrrolidone nanofiber template containing ferric nitrate and nickel acetate metal precursors in Ar at 300°C and then 95% Ar: 5% H2 at 600°C. The Ni0.47Fe0.53 fibers were nanostructured and contained Ni0.47Fe0.53 nanocrystals with average diameters of ~14 nm. The Ni0.47Fe0.53 ferromagnetic mats had a high saturation magnetic moment per formula unit that was comparable to those reported in other studies of nanostructured Ni1-xFex. There is a small spin-disordered fraction that is typically seen in nanoscale ferromagnets and is likely to be caused by the surface of the nanofibers. There was an additional magnetic contribution that could possibly stem from a small Fe1-zNizO phase fraction surrounding the fibers. The coercivity was found to be enhanced when compared with the bulk material.
- Subject
- magnetic properties; electrospinning; nanofibers; ferromagnetic; polyvinylpyrrolidone (PVP); nanomaterials
- Identifier
- http://hdl.handle.net/1959.13/1462885
- Identifier
- uon:46585
- Identifier
- ISSN:2296-2646
- Rights
- © 2020 Bhugra, Hughson, Williams, Chong and Nann. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. (http://creativecommons.org/licenses/by/4.0/).
- Language
- eng
- Full Text
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