Journal of Materials Science

, Volume 29, Issue 7, pp 1714–1718 | Cite as

Chemical and structural properties of the system Fe2O3-Nd2O3

  • S. Musić
  • S. Popović
  • M. Ristić
  • B. Sepiol


Chemical and structural properties of the system (1−x)Fe2O3 + xNd2O3, 0≤x≤1, were investigated using X-ray diffraction, 57Fe Mössbauer spectroscopy and Fourier transform-infrared (FT-IR) spectroscopy. The samples were prepared by the chemical coprecipitation and thermal treatment of Fe(OH)3/Nd(OH)3 coprecipitates. X-ray diffraction showed the presence of oxide phases α-Fe2O3 + NdFeO3 in the Fe2O3-rich region, and the oxide phases Nd2O3 + NdFeO3 in the Nd2O3-rich region. 57Fe Mössbauer spectra were characterized with one sextet of spectral lines at room temperature. Mathematical evaluation of the Mössbauer spectra showed distinct regularities in the changes of Mössbauer parameters, thus indicating the presence of two subspectra with very similar spectral behaviour. High sensitivity of the Nd2O3 phase to the moisture and atmosphere CO2 was demonstrated by FT-IR spectroscopy.


Polymer Spectroscopy Fourier Fe2O3 Thermal Treatment 
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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • S. Musić
    • 1
  • S. Popović
    • 1
    • 2
  • M. Ristić
    • 1
  • B. Sepiol
    • 3
  1. 1.Ruder Bošković InstituteZagreb
  2. 2.Department of Physics, Faculty of ScienceZagrebCroatia
  3. 3.Institut für Festkörperphysik der Universität WienViennaAustria

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