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粉料埋烧的TiO2瓷压敏和介电性质
引用本文:孟凡明.粉料埋烧的TiO2瓷压敏和介电性质[J].压电与声光,2006,28(1):46-47,50.
作者姓名:孟凡明
作者单位:安徽大学,信息材料与器件重点实验室,安徽,合肥,230039
基金项目:安徽省教育厅科研基金资助项目(2005KJ224),安徽大学教学研究基金资助项目(X200521),安徽大学信息材料与器件重点实验室基金资助项目
摘    要:基于一次烧结工艺,采用埋烧和裸烧两种方法制备组分相同的(Sr,Bi,Si,Ta)掺杂的TiO2陶瓷。通过I-V特性、非线性系数、介电常数的测量,研究埋烧与裸烧工艺对TiO2陶瓷的电性能的影响。结果表明,采取粉料埋烧可以明显降低压敏电压、提高介电常数。

关 键 词:TiO2基压敏陶瓷  压敏电压  非线性系数  介电常数
文章编号:1004-2474(2006)01-0046-02
收稿时间:2004-04-19
修稿时间:2004-04-19

Influence of Burying Sintering Process on Breakdown Voltage and Dielectric Constant of the TiO2-Based Varistor
MENG Fan-ming.Influence of Burying Sintering Process on Breakdown Voltage and Dielectric Constant of the TiO2-Based Varistor[J].Piezoelectrics & Acoustooptics,2006,28(1):46-47,50.
Authors:MENG Fan-ming
Institution:Anhui Key Lab. of Information Materials and Devices, School of Physics and Materials Science, Anhui University, Hefei 230039,China
Abstract:Based on single sinter process,(Sr,Bi,Si,Ta)-added TiO_2 multifunction ceramics were fabricated by burying sintering and traditional sintering process respectively.By measuring the properties of I-V,nonlinear exponent and apparent dielectric constant,effects of burying sintering process were investigated comparing with those of traditional sintering process on electrical properties of TiO_2 multifunction ceramics.The result showed that burying sintering process may make breakdown voltage smaller and apparent dielectric constant bigger.
Keywords:TiO_2-based varistor  breakdown voltage  nonlinear exponent  dielectric constant
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