Journal of Material Sciences & Engineering

ISSN: 2169-0022

Open Access

Panta PC

Ceramic Materials Laboratory,
Av. Osvaldo Aranha 99, sl. 705C, CEP 90035-190, Porto Alegre, RS

  • Research Article
    Raman Spectroscopy of Iron Oxide of Nanoparticles (Fe3O4)
    Author(s): Panta PC and Bergmann CPPanta PC and Bergmann CP

    Nanoparticles of iron oxide (Fe3O4) were obtained by Coprecipitation with synthesis time of 30, 60 and 90 min. The morphology of the samples was investigated by scanning electron microscopy (SEM) and structural characteristics were obtained by X-ray diffraction (XRD). The crystallite size was calculated from the spectrum X-ray diffraction with the application of the Scherrer equation and Winfit. The crystallite size varied from 4.6 to 14.4 nm when calculated by Scherrer equation and when calculated by the single line ranged from 7.5 to 22.3 nm Winfit. The degree of graphitization was studied by Raman spectroscopy where spectrums were analyzed with different lasers: 514 nm (0.75 mW power used) and 785 nm (1.2 mW power used). The dominant structures of the spectra are in 215, 276, 398, 487, 654 and 1300 cm-1 when using the laser 514 nm. The spectrum produced with laser 514 nm is charact.. Read More»
    DOI: 10.4172/2169-0022.1000217

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