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《Acta Mineralogica Sinica》 2002-01
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Song Gongbao 1,2 Peng Tongjiang 1 Wan Pu 1 Li Bowen 3 (1. Institute of Mineral Materials and Application, Southwest Institute of Technology, Mianyang 621002; 2. Institute of Physics, Chinese Academy of Sciences, Beijing 100080; 3. Science o  
TiO 2 muscovite nanocomposite is a kind of nanometer sized film material. Several kinds of TiO 2 muscovite nanocomposites (single smearing layer and double smearing layers) were prepared from aqueous TiCl 4 solution by chemical precipitation. The composition and surface chemical characters of TiO 2 nanometer smearing layers were studied by SEM, XRD and XPS. TiO 2nanometer grains are about 20~60 nm in size, uniform and clear. The surface of TiO 2 nanometer smearing layers is flat. It was found that Sn 4+ played an important role in anatase rutile transformation of TiO 2 muscovite nanocomposites by XRD and XPS. It was also found that there are Si, Al, K except Ti, O and Sn 4+ inTiO 2 nanometer smearing layers by XPS. Sn 4+ ions replace Ti 4+ ions. Si, Al and K diffused from muscovite substrates.
【Fund】: 国家建材行业基金项目 (99 J 0 1);; 四川省教育厅项目(99 12 7)
【CateGory Index】: TB332
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