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This paper reports the synthesis and magnetic properties of unique magnetite-chitosan nanostructures synthesized by the chemical precipitation of magnetite nanoparticles in the presence of chitosan. The influence of varying synthesis parameters on the morphology of the magnetic composites is determined. Depending on the synthesis parameters, magnetite-chitosan nanostructures of spherical (9–18 nm), rice-seed-like (75–290 nm) and lumpy (75–150 nm) shapes were obtained via self-assembly. Spherical nanostructures encapsulated by a 9–15 nm chitosan layer were assembled as well. The prospective morphology of the nanostructures is combined with their excellent magnetic characteristics. It was found that magnetite-chitosan nanostructures are ferromagnetic and pseudo-single

Rights:

• Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International
  

Keyword: chitosan, magnetite, magnetic properties, nanostructures, precipitation

Date published: 2016-12-20

Publisher: Elsevier BV

Journal:

• Journal of Magnetism and Magnetic Materials (ISSN: 03048853) vol. 428 p. 406-411

Funding:

• NIMS AB3080

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5502

First published URL: https://doi.org/10.1016/j.jmmm.2016.12.048

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Updated at: 2025-05-26 12:30:24 +0900

Published on MDR: 2025-05-26 12:23:52 +0900