| BaO-La2O3-TiO2纳米粉体制备及介电性能研究 |
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| 引用本文： | 高伟,李华,谢道华.BaO-La2O3-TiO2纳米粉体制备及介电性能研究[J].压电与声光,2006,28(3):331-334. |
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| 作者姓名： | 高伟 李华 谢道华 |
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| 作者单位： | 天津大学,电子信息工程学院,天津,300072 |
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| 基金项目： | 国家“八六三”计划基金资助项目(001AA325110)，天津市自然科学基金资助项目(013601511) |
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| 摘 要： | 采用醇盐水解溶胶-凝胶法成功制备出分散性良好的BaO-La2O3-TiO2(BLT)系纳米粉体材料,其平均粒径约为30 nm。X-射线(XRD)分析表明,用此类粉体烧制的陶瓷材料其主晶相为La2Ti2O7,副相为Ba-La2Ti4O12。该粉体烧结成瓷后表现出良好的介电性能。
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| 关 键 词： | 溶胶-凝胶法 纳米粉体 微波陶瓷 |
| 文章编号： | 1004-2474(2006)03-0331-04 |
| 收稿时间： | 2004-10-29 |
| 修稿时间： | 2004年10月29 |
The Preparation and Dielectric Properties of BaO-La2O3-TiO2 Nano Particles Obtained by Sol-Gel Process |
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| GAO Wei,LI Hua,XIE Dao-hua.The Preparation and Dielectric Properties of BaO-La2O3-TiO2 Nano Particles Obtained by Sol-Gel Process[J].Piezoelectrics & Acoustooptics,2006,28(3):331-334. |
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| Authors: | GAO Wei LI Hua XIE Dao-hua |
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| Institution: | Institute of Electronics and Information Engineering, Tianjin University, Tianjin 300072,China |
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| Abstract: | In present paper,the homogeneous dispersive nano powders of BaO-La_2O_3-TiO_2(BLT) were prepared by Sol-Gel process with tetrabutyl titanate,barium acetate and lanthanum nitrate.The average size of particle is about 30 nm.Through X-ray diffraction analysis,the ceramic material obtained by the sintered nano powders has the chief crystal phrase of La_2Ti_2O_7,and the second chief one of BaLa_2Ti_4O_(12).The ceramic sintered with the powders shows an good dielectric performance. |
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| Keywords: | Sol-Gel process nano particles microwave ceramics |
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