| ZnO陶瓷的压敏效应及其起源 |
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| 引用本文： | 成鹏飞,刘汉臣,张晓军. ZnO陶瓷的压敏效应及其起源[J]. 电瓷避雷器, 2013, 0(2): 45-48,52 |
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| 作者姓名： | 成鹏飞 刘汉臣 张晓军 |
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| 作者单位： | 西安工程大学理学院,西安,710048 |
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| 基金项目： | 国家自然基金，省教育厅科研专项，西安工程大学博士科研启动基金 |
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| 摘 要： | 总结了ZnO陶瓷压敏效应的特点,归纳了ZnO压敏陶瓷导电机理与显微结构之间的内在关系,分析了关于Schottky势垒起源的各种物理模型与化学模型的优缺点,提出ZnO陶瓷优异的非线性I-V特性起源于ZnO本征点缺陷结构与外部的氧环境。
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| 关 键 词： | ZnO压敏陶瓷 Schottky势垒 非线性 |
Voltage Sensitive Effect and Its Origin of ZnO Ceramics |
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| CHENG Peng-fei , LIU Han-chen , ZHANG Xiao-jun. Voltage Sensitive Effect and Its Origin of ZnO Ceramics[J]. Insulators and Surge Arresters, 2013, 0(2): 45-48,52 |
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| Authors: | CHENG Peng-fei LIU Han-chen ZHANG Xiao-jun |
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| Affiliation: | (School of Science,Xi’an Polytechnic University,Xi’an 710048,China) |
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| Abstract: | Voltage sensitive effect of ZnO ceramics is summarized.The corresponding relationship between conduction mechanisms and microstructures is concluded.After the analysis of the merit and demerit of all the physical models and chemical models proposed in literatures,it is proposed that nonlinearity I-V characteristics originate from internal intrinsic point defect structure and external oxygen environment. |
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| Keywords: | ZnO varistor ceramics Schottky barrier nonlinearity |
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