ICAME 2005 pp 273-278 | Cite as

Mössbauer study of nano-TiO2 doped with Fe

  • Sanyuan Zhu
  • Wenhan Liu
  • Chongzheng Fan
  • Yuzhi LiEmail author
Conference paper


A Mössbauer study of nano-TiO2 doped with Fe is presented. The samples are prepared by sol-gel method, doping Fe by 5, 10 and 15 wt.%, respectively, which are measured with XRD, TEM and Raman spectra. Especially, Mössbauer spectra are emphasized in this study. The anatase phase is major in both doped and no-doped sample. The α-Fe2O3 phase is also in the doped samples. The grain size of doped sample is in 5–20 nm range, the major grains are about 13 nm. And the grain size of no-doped sample is about 8 nm. Studying Mössbauer spectra and Raman spectra, we concluded that in the doping process the Fe3+ ions entered anatase lattice and substituted Ti4+ ions. However, the amount of Fe ions in the site is limited to about 1.5 wt.%. It does not increase as the doping Fe increase. The more Fe doped, the more α-Fe2O3 formed. For comparing conveniently, it also can be described as (Ti0.98Fe0.02) O2 by atomic percent.

Key words

Mossbauer spectroscopy sol-gel materials 


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Copyright information

© Springer Science + Business Media B.V. 2006

Authors and Affiliations

  • Sanyuan Zhu
    • 1
    • 2
  • Wenhan Liu
    • 2
  • Chongzheng Fan
    • 3
  • Yuzhi Li
    • 1
    Email author
  1. 1.Structure Research LaboratoryUniversity of Science and Technology of ChinaHefeiChina
  2. 2.Department of PhysicsUniversity of Science and Technology of ChinaHefeiChina
  3. 3.Department of Chemical PhysicsUniversity of Science and Technology of ChinaHefeiChina

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