Structural characterization of tin- and titanium-doped {alpha}-Fe{sub 2}O{sub 3} prepared by hydrothermal synthesis
Journal Article
·
· Journal of Solid State Chemistry
- Open Univ., Milton Keynes (United Kingdom); and others
The structural characteristics of tin- and titanium-doped {alpha} Fe{sub 2}O{sub 3} prepared by hydrothermal methods have been investigated by Rietveld structure refinement of the X-ray powder diffraction data. The analysis reveals that the dopant ions adopt two distinct sites: in addition to partially substituting at the octahedral Fe sites, they also occupy the interstitial octahedral sites which are vacant in the {alpha}-Fe{sub 2}O{sub 3} structure. The structural model deduced involves clusters of three substituted cations and is rational in that it represents microstructural regions of the rutile structure within a matrix of {alpha}Fe{sub 2}O{sub 3}.
- OSTI ID:
- 577479
- Journal Information:
- Journal of Solid State Chemistry, Journal Name: Journal of Solid State Chemistry Journal Issue: 2 Vol. 130; ISSN 0022-4596; ISSN JSSCBI
- Country of Publication:
- United States
- Language:
- English
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