Crystallization of hydrous zirconia and hafnia during hydrothermal treatment |
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| Authors: | V. K. Ivanov A. E. Baranchikov Yu. D. Tret’yakov |
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| Affiliation: | (1) Inorganic and Physical Chemistry Division, Indian Institute of Chemical Technology, Uppal Road, Hyderabad, 500 607, India |
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| Abstract: | The products of microwave-hydrothermal (MW-HT) treatment of amorphous hydrous zirconia and hafnia xerogels were studied by powder X-ray diffraction and thermal analysis. Decreasing gel precipitation pH leads to an increase in ZrO2 and HfO2 crystallization rates and enhances the formation of stable monoclinic ZrO2. |
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