Hydroxides as precursors of nanocrystalline oxides

X. Bokhimi, A. Morales, M. Portilla, A. García-Ruiz

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

The formation of nanocrystalline oxides by hydrolysis is analyzed X-ray powder diffraction was used to measure atom distribution; when it was crystalline the structure was refined by the Rietveld method. Three systems were studied: zirconia, titania and magnesia; they were prepared by using the sol-gel technique. During hydrolysis, the proportions of aquo, hydroxo and oxo bindings determined the initial atom distribution and its evolution with temperature. In zirconia, the amorphous structure was fixed by aquo bondings; this structure was obtained in titania samples only at high water to alkoxide molar ratios. In magnesia system, synthesis ions also affected the concentration of these bindings.
Original languageAmerican English
Pages (from-to)589-592
Number of pages529
JournalNanostructured Materials
DOIs
StatePublished - 1 Jan 1999

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Hydroxides
Magnesium Oxide
Magnesia
zirconium oxides
Zirconia
Oxides
hydroxides
hydrolysis
Hydrolysis
titanium
Titanium
Powder Diffraction
Rietveld method
Atoms
oxides
alkoxides
Polymethyl Methacrylate
X-Ray Diffraction
X ray powder diffraction
Sol-gels

Cite this

Bokhimi, X. ; Morales, A. ; Portilla, M. ; García-Ruiz, A. / Hydroxides as precursors of nanocrystalline oxides. In: Nanostructured Materials. 1999 ; pp. 589-592.
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Hydroxides as precursors of nanocrystalline oxides. / Bokhimi, X.; Morales, A.; Portilla, M.; García-Ruiz, A.

In: Nanostructured Materials, 01.01.1999, p. 589-592.

Research output: Contribution to journalArticle

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