| 溶胶-凝胶法合成LiTaO_3粉体的烧结和介电性能 |
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| 引用本文： | 胡建辉,刘艳改,范佶,卫礼贤,房明浩,黄朝晖.溶胶-凝胶法合成LiTaO_3粉体的烧结和介电性能[J].稀有金属材料与工程,2009,38(Z2). |
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| 作者姓名： | 胡建辉 刘艳改 范佶 卫礼贤 房明浩 黄朝晖 |
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| 作者单位： | 中国地质大学,北京,100083 |
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| 基金项目： | 国家自然科学基金资助 |
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| 摘 要： | 采用溶胶凝胶法合成LiTaO_3粉体,并探讨溶胶-凝胶过程中的工艺条件对LiTaO_3陶瓷制备的影响.结果表明:在CA(柠檬酸):Ta=4:1条件下制备的LiTaO_3粉体在1150 ℃烧结后试样的相对密度可达到92.3%;相对介电常数可达到147,介电损耗低为1.63.
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| 关 键 词： | 溶胶-凝胶法 柠檬酸与钽离子比 烧结 介电性能 |
Sintering and Dielectric Properties of LiTaO_3 Powders Synthesized by Sol-Gel Method |
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| Hu Jianhui,Liu Yangai,Fan Ji,Wei Lixian,Fang Minghao,Huang Zhaohui.Sintering and Dielectric Properties of LiTaO_3 Powders Synthesized by Sol-Gel Method[J].Rare Metal Materials and Engineering,2009,38(Z2). |
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| Authors: | Hu Jianhui Liu Yangai Fan Ji Wei Lixian Fang Minghao Huang Zhaohui |
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| Affiliation: | Hu Jianhui,Liu Yangai,Fan Ji,Wei Lixian,Fang Minghao,Huang Zhaohui (China University of Geosciences,Beijing 100083,China) |
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| Abstract: | LiTaO_3 powders with high sintering activity was synthesized by Sol-Gel method at lower sintering temperature. and the effects of the processing parameters of sol-gel method on the properties of LiTaO_3 powders was discussed. The results showed that relative density of 92.3%, relative dielectric constants of 147 and dielectric loss of 1.63 could be reached for the specimen sintered at 1150 ℃ with LiTaO_3 powders at 4:1 ratio of CA (citric acid) and Ta by sol-gel method. |
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| Keywords: | LiTaO_3 LiTaO_3 Sol-Gel ratio of CA and Ta sintering dielectric properties |
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