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W. Werner and R. Wolfgang, “Surface Chemistry and Catalysis on Well-Defined Epitaxial Iron-Oxide Layers,” Progress in Surface Science, Vol. 70, No. 1-3, 2002, pp. 1-151.

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• TITLE: Synthesis and Characterization of Monodisperse Magnetite Hollow Microspheres

  AUTHORS: Francisco Márquez, Teresa Campo, María Cotto, Ramón Polanco, Rolando Roque, Pedro Fierro, José María Sanz, Eduardo Elizalde, Carmen Morant

  KEYWORDS: Fe3O4, Magnetite, Hollow Spheres

  JOURNAL NAME: Soft Nanoscience Letters, Vol.1 No.2, April 8, 2011

  ABSTRACT: Monodisperse hollow magnetite microspheres were successfully synthesized by an one-step process through a tem-plate-free hydrothermal approach employing simultaneously a mixture of FeCl3.6H2O and ferrocene as precursor and a propylene glycol-isopropanol mixture as solvent. The morphologies and properties of the magnetite microspheres were characterized by X-ray diffraction (XRD), Raman and infrared spectroscopy, field emission scanning electron microscopy (FE-SEM), X-ray photoelectron spectroscopy (XPS), adsorption of nitrogen (BET method) and SQUID magnetometry. The results show that the microspheres consist of a single crystalline phase of magnetite. On the other hand, the size and the internal hollow of the microspheres depend on the temperature of growth and can be tuned by modifying the synthesis conditions.