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Sol–gel synthesis and characterization of Al2O3–TiO2 nanocrystalline powder

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Abstract

Al2O3–TiO2 nanocrystalline powders were synthesized by sol–gel process. Aluminum sec-butoxide and titanium isopropoxide chemicals were used as precursors and ethyl acetoacetate was used as chelating agent. Thermal and crystallization behaviors of the precursor powders were investigated by thermal gravimetric-differential thermal analysis, Fourier-transform infrared spectrum and X-ray diffraction. The average crystalline size of heat treated Al2O3–TiO2 powders at 1,100 °C is ~100 nm.

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Acknowledgment

This work is supported by US Office of Naval Research under Grant No. N00014-02-1-0171 managed by Dr. Lawrence Kabacoff.

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Correspondence to Dianying Chen.

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Chen, D., Jordan, E.H. Sol–gel synthesis and characterization of Al2O3–TiO2 nanocrystalline powder. J Sol-Gel Sci Technol 50, 44–47 (2009). https://doi.org/10.1007/s10971-009-1897-2

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  • DOI: https://doi.org/10.1007/s10971-009-1897-2

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