57Fe- and 119Sn-Moessbauer Studies of Tin Doped Chromium Iron Oxides of Composition {alpha}-Cr2-xFexO3
Journal Article
·
· AIP Conference Proceedings
- Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavik (Iceland)
- Department of Chemistry, Open University, Walton Hall, Milton Keynes MK7 6AA (United Kingdom)
- Department of Chemistry, The Open University, Walton Hall, Milton Keynes MK7 6AA (United Kingdom)
Tin-doped iron chromium oxides of composition {alpha}-Cr2-xFexO3 prepared by the calcination of precipitates adopt the corundum-related structure. 57Fe Moessbauer spectroscopy shows the materials to be composed of small superparamagnetic particles and no evidence for a Morin transition was observed above 80K. The supertransferred hyperfine magnetic field at the tin site is shown by 119Sn Moessbauer spectroscopy to be less than that experienced in tin-doped {alpha}-Fe2O3.
- OSTI ID:
- 20722136
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 765; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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