“SYNTHESIS AND CHARACTERIZATION OF SUPERPARAMAGNETIC IRON OXIDE NANOPARTICLES FOR BIO-MEDICAL APPLICATIONS”.

L.A.CANO; M.V. CAGNOLI; S.J. STEWART; E.D. CABANILLAS; E.L. ROMERO; S.G. MARCHETTI

HYPERFINE INTERACTIONS

Springer

Año: 2010 vol. 195 p. 275 - 280

0304-3843

Abstract Monodisperse iron oxide nanoparticles (NPs) of 4 nm were obtainedthrough high-temperature solution phase reaction of iron (III) acetylacetonate with1, 2-hexadecanediol in the presence of oleic acid and oleylamine. The as-synthesizediron oxide nanoparticles have been characterized by X-ray diffraction, transmissionelectron microscopy, Mössbauer spectroscopy and magnetic measurements. Thespecies obtained were Fe3O4 and/or γ-Fe2O3. These NPs are superparamagneticat room temperature and even though the reduced particle size they show a highsaturation magnetization (MS ≈ 90 emu/g).