Enhanced magnetic properties of polymer-magnetic nanostructures synthesized by ultrasonication

Thanigai Arul, K., Manikandan, E., Marmu, P.P., Kennedy, J. and Henini, M. (2017) Enhanced magnetic properties of polymer-magnetic nanostructures synthesized by ultrasonication. Journal of Alloys and Compounds, 720 . pp. 395-400. ISSN 1873-4669

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Polymer based nickel (Ni) and cobalt (Co) co-doped ferrites were prepared by adept ultrasonication route. Different concentrations of polymer [polyvinyl alcohol (PVA)] (0.2 g and 0.5 g) was added as a surfactant to the magnetic particles. The phase purity of Ni-Co ferrites (spinel structure) was confirmed by X-ray diffraction (XRD). Enhanced saturation magnetization of polymer based magnetic nanoparticles due to shape anisotropy and size. 0.2 wt% doped ferrite showed superparamagnetic characteristics with blocking temperature above room temperature. Hence, ultrasonication route is a rapid and effective technique for tailoring size and morphology of magnetic nanostructure that could be useful in magnetic-sensor applications.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/860604
Keywords: Ultrasonication; Magnetic nanostructures; Polymers; Nanocomposites; Magnetization
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Identification Number: https://doi.org/10.1016/j.jallcom.2017.05.146
Depositing User: Henini, Mohamed
Date Deposited: 29 Jun 2017 09:49
Last Modified: 04 May 2020 18:45
URI: https://eprints.nottingham.ac.uk/id/eprint/43826

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