| Li_4SiO_4-Eu_2O_3的溶胶-凝胶法合成及电导性能 |
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| 引用本文： | 陈汝芬,宋秀芹,刘华亭. Li_4SiO_4-Eu_2O_3的溶胶-凝胶法合成及电导性能[J]. 稀有金属材料与工程, 2000, 0(6) |
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| 作者姓名： | 陈汝芬 宋秀芹 刘华亭 |
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| 作者单位： | 河北师范大学!石家庄050016 |
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| 基金项目： | 河北省自然科学基金!资助项目 (2 96 16 9) |
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| 摘 要： | 用溶胶 -凝胶法制备了 L i4Si O4- x Eu2 O3(x=0 .0 0～ 0 .15 )离子导体材料 ,并用差热和热重分析仪 (DTA- TG) ,X射线衍射仪 (XRD) ,透射电镜 (TEM)及交流阻抗等技术对样品进行了观察和测试。结果发现 :用溶胶 -凝胶法可降低 L i4Si O4的合成温度并可提高离子的导电性 ,适量 Eu2 O3的掺入可提高基质材料的导电性能。
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| 关 键 词： | 溶胶-凝胶法 Eu_2O_3 Li_4SiO_4 离子导电性 |
Sol-Gel-Prepared Li_4SiO_4-Eu_2O_3 and Its Ionic Conductivity |
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| Chen Rufen,Song Xiuqin,Liu Huating. Sol-Gel-Prepared Li_4SiO_4-Eu_2O_3 and Its Ionic Conductivity[J]. Rare Metal Materials and Engineering, 2000, 0(6) |
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| Authors: | Chen Rufen Song Xiuqin Liu Huating |
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| Abstract: | Li 4SiO 4 x Eu 2O 3( x =0 00 to 0 15) ionic conductors were prepared by a Sol Gel method. Structure, shape, and ionic conductivity have been studied using DTA TG, XRD, TEM and AC impedance techniques. The experimental results show that Li 4SiO 4 can be synthesised at low temperatures using the sol gel method, and that its ionic conductivity is higher than that of the sample prepared by solid state reaction. Suitable Eu 2O 3 doping improves ionic conductivity of Li 4SiO 4. |
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| Keywords: | sol gel method Li 4SiO 4 Eu 2O 3 ionic conductivi |
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