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Issue 12, 2001
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Abstract

Hydrolysis of the new metallorganic precursor Fe(OBut)2(THF)2 followed by ultrasound and thermal treatment yielded either nanoparticles of γ-Fe2O3 or Fe3O4, depending on the process conditions. The samples have been characterised by X-ray powder diffraction, TEM, SEM, Mössbauer spectroscopy and magnetization measurements. The maghemite nanoparticles (9 ± 2 nm) are superparamagnetic and form unique needle-like assemblies of nanoparticle arrays. The nanoparticles of Fe3O4 (19 ± 2 nm) form plate-like aggregates about 10 µm thick.

Graphical abstract: Preparation of magnetic nanoparticles and their assemblies using a new Fe(ii) alkoxide precursor

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Article information


Submitted
29 Aug 2001
Accepted
03 Oct 2001
First published
15 Oct 2001

J. Mater. Chem., 2001,11, 2937-2939
Article type
Communication

Preparation of magnetic nanoparticles and their assemblies using a new Fe(II) alkoxide precursor

G. B. Biddlecombe, Y. K. Gun'ko, J. M. Kelly, S. C. Pillai, J. M. D. Coey, M. Venkatesan and A. P. Douvalis, J. Mater. Chem., 2001, 11, 2937
DOI: 10.1039/B107760K

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