| Zn2+掺杂对TiO2相变温度和晶粒尺寸的影响 |
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| 引用本文： | 金丽娜,史志铭,闫龙.Zn2+掺杂对TiO2相变温度和晶粒尺寸的影响[J].人工晶体学报,2007,36(3):631-633. |
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| 作者姓名： | 金丽娜 史志铭 闫龙 |
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| 作者单位： | 内蒙古工业大学材料科学与工程学院,呼和浩特,010051 |
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| 基金项目： | 国家自然科学基金(No.50562003)，教育部“新世纪优秀人才支持计划”(NCET-040263) |
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| 摘 要： | 采用溶胶-凝胶法制备了不同含量Zn2+掺杂的氧化钛粉体,利用TG-DTA、XRD测试技术检测了锌离子掺杂对锐钛矿和金红石相变及其晶体尺度的影响.试验结果表明,锌离子的掺入抑制了锐钛矿和金红石的相变,使相变温度提高,而且显著阻碍晶体的生长,从而获得纳米晶体.
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| 关 键 词： | TiO2 溶胶-凝胶 结构相变 锌离子掺杂 |
| 文章编号： | 1000-985X(2007)03-0631-03 |
| 修稿时间： | 2006年11月2日 |
Study of Transformation Behavior and Granularity of Zn2+-doped Titania Gels |
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| JIN Li-na , SHI Zhi-ming , YAN Long.Study of Transformation Behavior and Granularity of Zn2+-doped Titania Gels[J].Journal of Synthetic Crystals,2007,36(3):631-633. |
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| Authors: | JIN Li-na SHI Zhi-ming YAN Long |
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| Institution: | School of Materials Science and Engineering, Inner Mongolia University of Technology, Huhhot 010051, China |
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| Abstract: | Different amounts of Zn2 -doped titania powders were prepared by the Sol-gel method.The effects of Zn2 -doping on transformations of gel to anatase and anatase to rutile,as well as the crystal granularity were characterized by using techniques such as TG-DTA and XRD.Experimental results show that Zn2 -doping can effectively depress the phase transformations of anatase and rutile,enhance their transition temperatures and sufficiently inhibit the growth of anatase crystals to obtain nanocrystals. |
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| Keywords: | TiO2 Sol-gel phase transformation Zn2 -doped |
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