A G Roca et al 2009 J. Phys. D: Appl. Phys. 42 224002 doi:10.1088/0022-3727/42/22/224002
A G Roca, R Costo, A F Rebolledo, S Veintemillas-Verdaguer, P Tartaj, T González-Carreño, M P Morales and C J Serna
Show affiliationsThis review summarizes recent advances in synthesis routes for quickly and reliably making and functionalizing magnetic nanoparticles for applications in biomedicine. We put special emphasis on describing synthetic strategies that result in the production of nanosized materials with well-defined physical and crystallochemical characteristics as well as colloidal and magnetic properties. Rather than grouping the information according to the synthetic route, we have described methods to prepare water-dispersible equiaxial magnetic nanoparticles with sizes below about 10 nm, sizes between 10 and 30 nm and sizes around the monodomain–multidomain magnetic transition. We have also described some recent examples reporting the preparation of anisometric nanoparticles as well as methods to prepare magnetic nanosized materials other than iron oxide ferrites, for example Co and Mn ferrite, FePt and manganites. Finally, we have described examples of the preparation of multicomponent systems with purely inorganic or organic–inorganic characteristics.
75.75.+a Magnetic properties of nanostructures
75.50.Tt Fine-particle systems; nanocrystalline materials
75.30.Kz Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)
Soft matter, liquids and polymers
Condensed matter: electrical, magnetic and optical
Issue 22 (21 November 2009)
Received 9 March 2009
Published 6 November 2009
A G Roca et al 2009 J. Phys. D: Appl. Phys. 42 224002
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