EXAFS and X-ray diffraction studies on sol-gel prepared zirconium titanium 
oxides

Feth, M. P.; Weber, A.; Merkle, R.; Reinohl, U.; Bertagnolli, H.

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EXAFS and X-ray diffraction studies on sol-gel prepared zirconium titanium oxides

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Merkle, R.
Department Physical Chemistry of Solids (Joachim Maier), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Feth, M. P., Weber, A., Merkle, R., Reinohl, U., & Bertagnolli, H. (2002). EXAFS and X-ray diffraction studies on sol-gel prepared zirconium titanium oxides. Journal of Non-Crystalline Solids, 298(1), 43-52.

Cite as: https://hdl.handle.net/21.11116/0000-000E-F315-8

Abstract

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.