Study on the Phase Transformation Behavior of Nanosized Amorphous TiO2

材料科学技术（英）, 2003, 19(5): 463-466.

^1, , ^2, , ^3, , ^4,

1.Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China

2.Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China

3.Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China

4.College of Materials, South China University of Technology, Guangzhou 510641, China

基金项目: 国家自然科学基金(50006014)

Study on the Phase Transformation Behavior of Nanosized Amorphous TiO2

Keywords： Crystallization behavior

Nanosized amorphous TiO2 powders with a specific surface area of 501 m2.g-1 were prepared by hydrolysis. Aftercalcined at 400℃ for 2 h, the prepared amorphous TiO2 powders were fully transformed into anatase crystallitesthe samples of nanosized amorphous TiO2 mixed with microsized anatase, nanosized anatase, or nanosized α-Al2O3respectively. Effects of sample packing, anatase addition, or α-Al2O3 addition on the crystallization behavior ofnanosized amorphous TiO2 were analyzed.

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Study on the Phase Transformation Behavior of Nanosized Amorphous TiO2

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