| Ba_(0.6)Sr_(0.4)TiO_3/ZnNb_2O_6复相陶瓷的显微结构和介电性能 |
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| 引用本文： | 胡国辛,高峰,王通,李真,田长生.Ba_(0.6)Sr_(0.4)TiO_3/ZnNb_2O_6复相陶瓷的显微结构和介电性能[J].压电与声光,2010,32(1). |
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| 作者姓名： | 胡国辛 高峰 王通 李真 田长生 |
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| 作者单位： | 西北工业大学,材料学院,陕西,西安,710072 |
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| 基金项目： | 西安应用材料创新基金资助项目，西北工业大学科技创新基金资助项目 |
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| 摘 要： | 采用传统电子陶瓷工艺制备了Ba_(0.6)Sr_(0.4)TiO_3/ZnNb_2O_6(BSTZ)复相陶瓷,研究了ZnNb_2O_6含量对BSTZ陶瓷结构和介电性能的影响规律.结果表明,BSTZ复相陶瓷可在较低温度下烧结成瓷;陶瓷中除了Ba_(0.6)Sr_(0.4)TiO_3和ZnNb_2O_6两种主晶相,还有新相BaNb_(3.6)O_(10)生成;陶瓷的介电常数和介电损耗均随ZnNb2O6含量的增加而降低;当x(ZnNb_2O_6)=0.6(摩尔比)时,复相陶瓷在微波下的介电常数为74,介电损耗为0.043,可调性可达10.54%(1.0 kV/mm).
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| 关 键 词： | 钛酸锶钡 复相陶瓷 介电性能 可调性 微波性能 |
Microstructure and Dielectric Properties of Ba_(0.6)Sr_(0.4)TiO_3/ZnNb_2O_6 Composite Ceramics |
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| HU Guo-xin,GAO Feng,WANG Tong,LI Zhen,TIAN Chang-sheng.Microstructure and Dielectric Properties of Ba_(0.6)Sr_(0.4)TiO_3/ZnNb_2O_6 Composite Ceramics[J].Piezoelectrics & Acoustooptics,2010,32(1). |
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| Authors: | HU Guo-xin GAO Feng WANG Tong LI Zhen TIAN Chang-sheng |
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| Affiliation: | HU Guo-xin,GAO Feng,WANG Tong,LI Zhen,TIAN Chang-sheng (College of Material Science,Northwestern Polytechnical University,Xi\'an 710072,China) |
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| Abstract: | Ba_(0.6)Sr_(0.4)TiO_3/ZnNb_2O_6(BSTZ) composite ceramics were fabricated by the conventional ceramic processing. The effects of the content of ZnNb_2O_6 on the microstructures and dielectric properties of BSTZ ceramics were investigated.The results showed that BSTZ composite ceramics can be sintered at a lower temperature. BaNb_(3.6) O_(10) phase is observed in the ceramics besides perovskite phase Ba_(0.6) Sr_(0.4)TiO_3 and ZnNb_2 O_6 phase.The dielectric constant and the dielectric loss decreased with the... |
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| Keywords: | barium strontium titanate composite ceramics dielectric properties tunability microwave properties |
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