NMR relaxation of water in nanostructures: analysis of ferromagnetic cobalt–ferrite polyelectrolyte nanocomposites

Davies, G.-L., Corr, S.A., Meledandri, C.J., Briode, L., Brougham, D.F. and Gun'ko, Y.K. (2011) NMR relaxation of water in nanostructures: analysis of ferromagnetic cobalt–ferrite polyelectrolyte nanocomposites. ChemPhysChem, 12(4), pp. 772-776. (doi: 10.1002/cphc.201000853)

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Abstract

Polyelectrolyte-stabilised cobalt ferrite magnetic fluids demonstrate high relaxivity values at low fields. The magnetic suspensions are composed of compact metal oxide nanocomposites arranged in micelle-like structures which demonstrate an inverse correlation between relaxivity and hydrodynamic diameter (see graph). They can be aligned into linear arrays using an external magnet.

Item Type:Articles
Keywords:ferrite, magnetic fluids, magnetic properties, nanomaterials, relaxivity
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Corr, Professor Serena
Authors: Davies, G.-L., Corr, S.A., Meledandri, C.J., Briode, L., Brougham, D.F., and Gun'ko, Y.K.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:ChemPhysChem
ISSN:1439-4235
ISSN (Online):1439-7641
Published Online:27 January 2011

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