| TiO2压敏电阻的研究与应用 |
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| 引用本文： | 袁明军,崔文权,李苹,冯良荣.TiO2压敏电阻的研究与应用[J].材料科学与工艺,2008,16(6):751-754. |
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| 作者姓名： | 袁明军 崔文权 李苹 冯良荣 |
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| 作者单位： | 中国科学院成都有机化学研究所;中国科学院研究生院;河北理工大学化学与生物技术学院; |
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| 摘 要： | 为了更好地研制和应用压敏电阻元件,介绍了TiO2压敏电阻的基本性质,压敏机理以及研究现状,阐述了制备过程中掺杂物种、掺杂浓度、烧结温度、粉体材料等因素对二氧化钛压敏电阻性能的影响.研究表明,TiO2系列压敏电阻具有较低的压敏电压、较高的非线性系数、超高的介电常数,并且制备工艺简单.TiO2系列压敏电阻能有效弥补SrTiO3和ZnO系压敏电阻器所存在的不足之处,是低压压敏陶瓷的研发方向.
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| 关 键 词： | 二氧化钛 压敏电阻 掺杂 压敏性能 |
Current studies and the applications of TiO2 varistors |
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| YUAN Mingjun,CUI Wen-quan,LI Ping,FENG Liang-rong.Current studies and the applications of TiO2 varistors[J].Materials Science and Technology,2008,16(6):751-754. |
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| Authors: | YUAN Mingjun CUI Wen-quan LI Ping FENG Liang-rong |
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| Affiliation: | 1.Chengdu Institute of Organic Chemistry;Chinese Academy of Science;Chengdu 610041;China;2.Hebei Polytechnic University;Tangshan 063009;3.Graduate School of the Chinese Academy of Sciences;Beijing 100039;China |
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| Abstract: | For further investigating and applying ceramic varistors,current studies and the electronic mechanism of TiO_2 varistor are presented in this paper.The doping species,doping concentration,sinter temperature and starting material,which affect electrical properties of TiO_2 varistor are discussed.With excellent electrical properties,such as low breakdown voltage,high nonlinear coefficient and ultrahigh electrical permittivity,the TiO_2 varistor offsets the shortcomings of SrTiO3 and ZnO varistors and now beco... |
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| Keywords: | titanate dioxide ceramic varistor doping electrical properties |
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