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Hyperfine Interactions (C) pp 49–52Cite as

Mössbauer Studies of the tetravalent doped Magnetite

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Abstract

Hydro-thermally prepared Sn4+ and Ti4+ doped -magnetite samples are characterized through scanning electron microscopy and X-ray diffraction (XRD). The samples are studied using 57Fe Mössbauer spectroscopy in the temperature range from liquid nitrogen to room temperature. The XRD pattern shows that the samples are in pure spinel structure. The room temperature Mössbauer spectrum of Sn4+ -Fe3O4 exhibits a broadened magnetic sextet superimposed on a paramagnetic doublet while the spectrum of Ti4+ -Fe3O4 is very broad with a larger paramagnetic component. However, at liquid nitrogen temperature the two spectra are similar. The influence of the doping of each cation on the iron sites is discussed.

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Author information

Authors and Affiliations

  1. Physics Department, College of Science Sultan Qaboos University, Box 36, code 123, Oman

    A M Gismelseed, A A Yousif, A D Al-Rawas & M E Elzain

  2. Department of Chemistry, The Open University, Walton Hall, MK7 6AA, UK

    I Ayub & F. J. Berry

  3. Physics Department, University of Khartoum, Box 321, Khartoum, Sudan

    H. M. Widatallah

Authors
  1. A M Gismelseed
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  2. A A Yousif
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  3. A D Al-Rawas
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  4. M E Elzain
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  5. I Ayub
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  6. H. M. Widatallah
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  7. F. J. Berry
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Editor information

Editors and Affiliations

  1. Department of Physics, University of Liverpool, Liverpool, UK

    Michael F. Thomas

  2. Department of Physics, University of Sheffield, Scheffield, UK

    John M. Williams

  3. Department of Chemistry, University of Leeds, Leeds, UK

    Terence C. Gibb

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© 2002 Springer Science+Business Media Dordrecht

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Gismelseed, A.M. et al. (2002). Mössbauer Studies of the tetravalent doped Magnetite. In: Thomas, M.F., Williams, J.M., Gibb, T.C. (eds) Hyperfine Interactions (C). Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0281-3_13

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  • DOI: https://doi.org/10.1007/978-94-010-0281-3_13

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-1087-3

  • Online ISBN: 978-94-010-0281-3

  • eBook Packages: Springer Book Archive

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