Sol-gel Preparation of Rutile Type Solid Solution in TiO2-RuO2 System

被引:0
作者
J. Málek
A. Watanabe
T. Mitsuhashi
机构
[1] Academy of Sciences of the Czech Republic and University of Pardubice,Joint Laboratory of Solid State Chemistry
[2] National Institute for Research in Inorganic Materials,undefined
[3] Science and Technology Agency of Japan,undefined
来源
Journal of Thermal Analysis and Calorimetry | 2000年 / 60卷
关键词
crystallization kinetics; sol-gel; solid solutions; ruthenia; titania;
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中图分类号
学科分类号
摘要
The preparation of rutile type solid solutions in (TiO2)x -(RuO2)1−x system in the 0≤x ≤0.7 concentration range is described. The single phase solid solutions are formed by controlled nanocrystallization of amorphous gels prepared by the sol-gel method. The kinetics of this crystallization process has been analyzed. It was found that the crystallization does not correspond to the Johnson-Mehl-Avrami model and it can be described by the two-parameter Šesták-Berggren kinetic model.
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页码:699 / 705
页数:6
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