| ZnO压敏陶瓷的非线性功能添加剂 |
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| 引用本文： | 李盛涛,刘辅宜.ZnO压敏陶瓷的非线性功能添加剂[J].陶瓷学报,1997,18(2):73-77. |
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| 作者姓名： | 李盛涛 刘辅宜 |
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| 作者单位： | 西安交通大学!710049(李盛涛)，西安交通大学(刘辅宜，宋晓兰) |
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| 摘 要： | 本文采用单元掺杂与多元掺杂的方法，系统研究了几种过渡金属氧化物添加剂在控制ＺｎＯ压敏陶瓷非线性方面的作用，并根据金属阳离子外壳层电子结构稳定性和缺陷化学反应进行了分析，认为阳离子具有不饱和外层电子结构且半径与Ｚｎ＾２＋离子相近的过渡金属氧化物能改善ＺｎＯ压敏陶瓷非线性。
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| 关 键 词： | 压敏陶瓷 点缺陷 晶界 氧化锌陶瓷 助剂 |
FUNCTIONAL ADDITIVES IN ZnO VARISTOR CERAMICS |
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| Li Shengtao ,Liu Fuyi ,Song Xiaolan.FUNCTIONAL ADDITIVES IN ZnO VARISTOR CERAMICS[J].Journal of Ceramics,1997,18(2):73-77. |
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| Authors: | Li Shengtao Liu Fuyi Song Xiaolan |
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| Affiliation: | Xian Jiaotong University |
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| Abstract: | In this paper, effects of several transition metal oxides in controlling nonlinechty of ZnO varistor ceramics havebeen systematically studied by means of both one additive and several additives together, and experimental resultshave been analyzed on the basis of the stability of outer - sheIl electme structure of metal ions and defect quasi -chemica reaction. It is reasonably thought that oxide of transition metal, its metal ion having nonsaturated outer -shell electron structure and radius being similar to rinc bo Zn2 , can improve nonlinearity of ZnO varistor ceramics. |
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| Keywords: | ZnO varistor ceramics point defect grain boundary |
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