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TiO₂压敏陶瓷的极性及其阻抗谱分析

Polarization Characteristics of TiO₂ Based Varistor Ceramic and Its Impedance Spectroscopy Analysis

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【Author】 ZHANG Xiao-wen;LIU Xin-yu;Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology;Working Station for Postdoctoral Scientific Research, Guilin Electrical Equipment Scientific Research Institute Co., Ltd.;College of Material Science and Engineering, Central South University;

【机构】桂林电子科技大学广西信息材料重点实验室；桂林电器科学研究院有限公司博士后工作站；中南大学材料科学与工程学院；

【摘要】采用电子陶瓷工艺制备了施主-受主共掺TiO2基压敏-电容双功能元件。电流-电压(I-V)以及阻抗-电压(Z-V)、相角-电压(-V)、电容-电压(C-V)、介电损耗角正切-电压(D-V)等阻抗谱分析表明,TiO2压敏陶瓷存在典型的极性特征,可通过"微极性区域"模型对其进行解释。更多还原

【Abstract】 A donor-acceptor co-doped TiO2 varistor was prepared by typical electronic ceramic technology. According to the current-voltage(I-V) curve and the impedance spectroscopy curves such as impedance-voltage(Z-V), phase-voltage(-V), capacitance-voltage(C-V) and dissipation-voltage(D-V) curves, the TiO2 varistor possesses polarization characteristics. The phenomenon can be clarified by the model of"micro-polarizing zone".更多还原