Nanostructured magnetic films of iron oxides fabricated by laser electrodispersion
2016
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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