Synthesis and properties of titanomagnetite (Fe3−xTixO4) nanoparticles: A tunable solid-state Fe(II/III) redox system

• Published in: Journal of colloid and interface science Vol. 387; no. 1; pp. 24 - 38
• Main Authors: Pearce, C.I., Qafoku, O., Liu, J., Arenholz, E., Heald, S.M., Kukkadapu, R.K., Gorski, C.A., Henderson, C.M.B., Rosso, K.M.
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier Inc 01.12.2012; Elsevier
• Subjects: ambient temperature; chemical analysis; Chemistry; Colloidal state and disperse state; Dissolution; Electron transfer; Exact sciences and technology; General and physical chemistry; iron; magnetic properties; Magnetite; Master Curve; nanoparticles; oxidants; Physical and chemical studies. Granulometry. Electrokinetic phenomena; Site occupancy; spectroscopy; Surface physical chemistry; titanium; transmission electron microscopy; Ulvöspinel; X-ray magnetic circular dichroism; Ulvöspinel; Site occupancy; X-ray magnetic circular dichroism; Magnetite; Master Curve; Electron transfer; Dissolution; Binary compound; Incorporation; Chemical analysis; Iron oxide; XANES spectrometry; Nanoparticle; X ray; Moessbauer spectrometry; Particle; Precipitation; Synthesis; Inverse; Redox system; Structure; Magnetic properties; Composition; Transition element compounds; Suspension; Conversion; X ray diffraction; EXAFS spectrometry; Circular dichroism; Solid state; Transmission electron microscopy; Spinel; Spinels; Room temperature

[Display omitted] ► Fe3−xTixO4 nanoparticles (10–12nm) synthesized by aqueous precipitation. ► Composition, structure, magnetic properties of Fe3−xTixO4 nanoparticles determined. ► Ti(IV) incorporation in the unit cell up to a limit of x⩽0.38. ► Nanoparticles with higher x had a minor amorphous seco...