Abstract
Nanostructured FeO films with an average nanoparticle size of the order of 6–10 nm were fabricated by laser electrodispersion. Annealing at T = 300°C in vacuum resulted in the disproportionation of FeO particles into Fe3O4 and α-Fe, while the films exhibited a marked crystal orientation (texture with the [111] axis). The coercive force and the saturation magnetization of the synthesized nanostructured Fe3O4/α-Fe films were as large as ~660 Oe and ~520 emu/cm3, respectively. These values are considerably higher than the corresponding parameters of polycrystalline Fe3O4 films.
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