| 多元ZnO压敏陶瓷材料的I—V特性与微结构的研究 |
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| 引用本文： | 魏淑桃,顾长江.多元ZnO压敏陶瓷材料的I—V特性与微结构的研究[J].河南师范大学学报(自然科学版),1993,21(3):15-18. |
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| 作者姓名： | 魏淑桃 顾长江 |
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| 作者单位： | 河南师范大学物理系，河南师范大学物理系，河南师范大学物理系，河南师范大学物理系，河南师范大学物理系 |
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| 摘 要： | 通过改进传统的长时间烧结工艺,制备出了具有好的压敏特性的多元ZnO压敏材料,获得了非线性系数α=13的结果,系统研究了材料的I-V特性,利用X射线衍射(XRD),扫描电子显微镜微区形貌分析(SEM)研究了材料的微结构及对压敏特性的影响,对该类材料的压敏机理作了进一步的讨论。
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| 关 键 词： | ZnO压敏陶瓷 非线性特性 固相烧结 晶界层 |
The Structure and Characteristic of ZnO Varistor with Various Additives |
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| Wei Shutao,Gu Changjiang,Cao Shixun,Li Fingqi,Zhang Jincang.The Structure and Characteristic of ZnO Varistor with Various Additives[J].Journal of Henan Normal University(Natural Science),1993,21(3):15-18. |
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| Authors: | Wei Shutao Gu Changjiang Cao Shixun Li Fingqi Zhang Jincang |
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| Institution: | Wei Shutao;Gu Changjiang;Cao Shixun;Li Fingqi;Zhang Jincang Department of Physics |
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| Abstract: | good current-voltage characteristics of ZnO varistor with various additives was fabri-cated by improved triditional long-time sintering technology,and the nonlinear cofficient α is13,by usingXRD、SEM,we have systemly studied the microstructure of ZnO material and its effects on I-V charac-teristic,the mechanism of ZnO varistor was further discussed. |
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| Keywords: | ZnO varistor nonlinear characteristic solid sintering grain junction |
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