Hyperfine Interactions

, Volume 202, Issue 1–3, pp 97–106 | Cite as

Effect of titanium ion substitution in the barium hexaferrite studied by Mössbauer spectroscopy and X-ray diffraction

  • Pamela Quiroz
  • Bernd Halbedel
  • Angel Bustamante
  • Juan C. González


A series of M-type barium hexaferrite has been synthesized in a glass melt by partially substituting the Fe2O3 with TiO2 for investigation of their structure. The glass melt has the basic composition (mol%): 40 BaO + 33 B2O3 + (27-x) Fe2O3 + x TiO2 with x = 0, 3.6, 5.4 and 7.2 mol% TiO2. The substituted ferrites were studied by means of X-ray diffraction, Mössbauer spectroscopy and vibration sample magnetometer. X-ray diffraction studies revealed that not all samples have a single ferritic phase, a small second phase corresponding to BaTi6O13 was also observed to form. The Mössbauer spectra changed from magnetically ordered (x = 0) to magnetically ordered with strong line broadening. Moreover, the broadening increases with TiO2 content. The Mössbauer parameters suggested that Ti4 +  occupies the 2a and 12k crystal sites, and the Ti4 +  substitution on the 2b and 4f2 site also occurs at high melt dopings. Therefore, coercivity and saturation magnetization decreased.


Barium hexaferrite Mössbauer spectroscopy Substitution X-ray diffraction 


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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Pamela Quiroz
    • 1
  • Bernd Halbedel
    • 1
  • Angel Bustamante
    • 2
  • Juan C. González
    • 3
  1. 1.Department of Inorganic-Nonmetallic Materials, Institute of Materials EngineeringIlmenau University of TechnologyIlmenauGermany
  2. 2.Laboratory of Ceramics and Nanomaterials, Faculty of Physical SciencesSan Marcos National UniversityLimaPeru
  3. 3.Surfaces Research Group-Interfaces and Thin FilmsMaterials Science Institute of Sevilla - CSICSevillaSpain

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