Abstract

Co and Co3O4 nanoparticles are synthesized via a thermal decomposition method in the presence of oleylamine using a new precursor of [Bis(2-hydroxyacetophenato)cobalt(II)]. The products were characterized by X-ray diffraction, transmission electron microscopy, high-resolution transmission electron microscopy, Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The hysteresis loops of the obtained samples reveal the ferromagnetic behaviors of the enhanced coercivity (Hc) and decreased saturation magnetization (Ms) in contrast to their respective bulk materials.

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