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          Institute: MPI für Festkörperforschung     Collection: FKF Publikationen 2002     Display Documents



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ID: 7401.0, MPI für Festkörperforschung / FKF Publikationen 2002
EXAFS and X-ray diffraction studies on sol-gel prepared zirconium titanium oxides
Authors:Feth, M. P.; Weber, A.; Merkle, R.; Reinohl, U.; Bertagnolli, H.
Language:English
Date of Publication (YYYY-MM-DD):2002
Title of Journal:Journal of Non-Crystalline Solids
Volume:298
Issue / Number:1
Start Page:43
End Page:52
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:A series of solid solutions of zirconium titanium oxides (ZTs)
ZrxTi1-xO2 (x = 0.1,0.18,0.45) was prepared from zirconium and
titanium n-propoxide. dissolved in 2-methoxyethanol, by sol-gel
process. The amorphous products after pyrolysis of the dried
gets and the crystalline phases were studied by extended X-ray
absorption fine structure (EXAFS) spectroscopy to monitor the
structural changes from the amorphous oxide mixture to the
crystalline ceramics after calcination. Additionally, the
crystalline phases were identified by X-ray diffraction (XRD).
The sample with an intermediate zirconium content
(Zr0.45Ti0.55O2) exhibits significant structural changes in
course of the calcination. whereas the differences between the
amorphous and the crystalline state are quite small in
titanium-rich samples. (C) 2002 Elsevier Science B.V. All
rights reserved.
External Publication Status:published
Document Type:Article
Communicated by:Michaela Asen-Palmer
Affiliations:MPI für Festkörperforschung
External Affiliations:; Univ Stuttgart, Inst Chem Phys, Pfaffenwaldring 55, D-70550 Stuttgart, Germany
; Fraunhofer Inst Interfacial Engn, D-70569 Stuttgart, Germany
; Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
Identifiers:ISI:000173950400006
ISSN:0022-3093
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