Low-Temperature Synthesis of Nano-Crystalline MgTi2O5 Powders by Aqueous Sol-Gel Process

X.F. Chen; J. Li; T.T. Feng; Y.S. Jiang; X.H. Zhang; H.T. Wu; Y.L. Yue

doi:10.4028/www.scientific.net/KEM.538.177

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 538Low-Temperature Synthesis of Nano-Crystalline...

Low-Temperature Synthesis of Nano-Crystalline MgTi₂O₅ Powders by Aqueous Sol-Gel Process

Abstract:

The pseudobrookite-structure MgTi₂O₅ was successfully synthesized by the aqueous sol-gel method using titanium dioxide and magnesium nitrate as starting materials instead of expensive organic solvent and metal alkoxides. The as-prepared nanopowders were characterized by X-ray diffraction (XRD), differential thermal analysis (DTA) and transmission electron microscope (TEM), respectively. The results showed that the calcinations process of gel consisted of a series of oxidation and combustion reactions, accompanied by significantly exothermal effects. Highly reactive nanosized magnesium titanate powders were successfully obtained at 650 °C with less than ~100 nm.

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Periodical:

Key Engineering Materials (Volume 538)

Pages:

177-180

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.538.177

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Online since:

January 2013

Authors:

X.F. Chen, J. Li, T.T. Feng, Y.S. Jiang, X.H. Zhang, H.T. Wu, Y.L. Yue

Keywords:

Aqueous Sol-Gel Process, MgTi₂O₅, Nanopowder Synthesis

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