Abstract
Polyvinylpyrrolidone (PVP)-coated sub-5 nm monosize Fe3O4 nanoparticles were synthesized by reduction of Fe(III) acetylacetonate in the presence of PVP polymer as surfactant in one-pot polyol process. Their microstructure and magnetic properties were characterized by XRD, TEM/HRTEM and VSM. It is found that the nanoparticles have high crystallinity with distinct lattices and the magnetic measurements reveal their well-defined superparamagnetic behavior at room temperature. Such Fe3O4 nanoparticles with tailorable size and tunable magnetic properties are promising for biomedical applications.
Original language | English |
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Pages (from-to) | e815-e817 |
Journal | Journal of Magnetism and Magnetic Materials |
Volume | 310 |
Issue number | 2 SUPPL. PART 3 |
DOIs | |
Publication status | Published - 2007 Mar |
Keywords
- FeO
- Magnetic
- Magnetite
- Nanoparticle
- Polyol synthesis
- Ultrasmall size
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics