Abstract
Perovskite-type BiFeO 3 nanoparticles have been synthesized by thermal decomposition of glyoxylate precursor. The effects of different thermal decomposition temperatures (300–600 °C) on the phase evolution, morphology, and physical properties were investigated by thermal analysis, infrared spectroscopy, X-ray diffraction, electron microscopy, vibrating sample magnetometry, and UV–Vis spectroscopy methods. The high purity bismuth ferrite nanoparticles synthesized at 600 °C showed the weak ferromagnetism behavior, due to the size confinement effect. Furthermore, the BiFeO 3 nanoparticles also exhibited strong absorption in the visible region with the lowest band gap of about 2.08 eV.
Published Version
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