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材料导报编辑部  2017, Vol. 31 Issue (22): 26-29    https://doi.org/10.11896/j.issn.1005-023X.2017.022.006
  材料研究 |
CeO2掺杂制备Ba0.9Ca0.1Ti1-xSnxO3压电陶瓷的结构及电性能
尹奇异,田长安,胡舒婷,王成泽,王婷婷,阳杰,吉冬冬,刘洋
合肥学院化学与材料工程系,合肥230601
Structure and Electrical Properties of Piezoelectric Ceramics Ba0.9Ca0.1Ti1-xSnxO3 Sintered with CeO2 Doping
YIN Qiyi, TIAN Chang an, HU Shuting, WANG Chengze, WANG Tingting,YANG Jie, JI Dongdong, LIU Yang
Department of Chemistry and Materials Engineering, Hefei University, Hefei 230601
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摘要 采用传统的陶瓷烧结技术,通过添加0.15%(摩尔分数)CeO2,在1 120 ℃烧结2 h,成功制备了新型无铅压电陶瓷Ba0.9Ca0.1Ti1-xSnxO3,并且检测了陶瓷样品的微结构和电性能。XRD显示所有陶瓷样品均具有纯的钙钛矿结构,在室温下为典型的四方相,SEM显示适量添加锡离子可以提高陶瓷致密性。在室温下,锡离子改性的BaTiO3基压电陶瓷在x=0.02处显示了优异的压电、介电和铁电性能(d33=276 pC/N, kp=46%, εr=3 678, tanδ=2.4%, Pr=18.2 μC/cm2, EC=1.12 kV/mm)。这些优异的检测结果证实适当添加锡离子能改善BaTiO3基压电陶瓷的电性能。
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尹奇异
田长安
胡舒婷
王成泽
王婷婷
阳杰
吉冬冬
刘洋
关键词:  无铅压电陶瓷  压电性  铁电性  介电性能  CeO2掺杂    
Abstract: New lead-free piezoelectric ceramics Ba0.9Ca0.1Ti1-xSnxO3 with 0.15%(mole fraction) CeO2doping were prepared via the conventional sintering technique at 1 120 ℃ for 2 h, and the products’ microstructure and electrical properties were investigated. X-ray diffraction indicates that all the ceramics possess a pure perovskite structure with typical tetragonal symmetry, SEM micrographs suggest that the appropriate addition amount of Sn can enhance the compactness. The Sn-modified BaTiO3-based ceramics exhibit an optimum piezoelectric, dielectric and ferroelectric properties (d33=276 pC/N, kp=46%, εr=3 678, tanδ=2.4%, Pr=18.2 μC/cm2, EC=1.12 kV/mm) at room temperature while x=0.02. These excellent results demonstrate that appropriate amount of Sn can further improve the electrical properties of BaTiO3-based piezoelectric ceramics.
Key words:  lead-free piezoelectric ceramic    piezoelectricity    ferroelectricity    dielectric properties    CeO2 dopingCeO2掺杂制备Ba0.9Ca0.1Ti1-xSnxO3
发布日期:  2018-05-08
ZTFLH:  TM282  
基金资助: *安徽省高等学校自然科学研究项目(KJ2017A533);合肥学院优秀青年人才支持项目(16YQ04RC);安徽省高等学校质量工程项目(2016ckjh161)
作者简介:  尹奇异:男,1978年生,博士,副教授,主要研究方向为功能陶瓷E-mail:yinqyi@163.com
引用本文:    
尹奇异,田长安,胡舒婷,王成泽,王婷婷,阳杰,吉冬冬,刘洋. CeO2掺杂制备Ba0.9Ca0.1Ti1-xSnxO3压电陶瓷的结构及电性能[J]. 材料导报编辑部, 2017, 31(22): 26-29.
YIN Qiyi, TIAN Chang an, HU Shuting, WANG Chengze, WANG Tingting,YANG Jie, JI Dongdong, LIU Yang. Structure and Electrical Properties of Piezoelectric Ceramics Ba0.9Ca0.1Ti1-xSnxO3 Sintered with CeO2 Doping. Materials Reports, 2017, 31(22): 26-29.
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https://www.mater-rep.com/CN/10.11896/j.issn.1005-023X.2017.022.006  或          https://www.mater-rep.com/CN/Y2017/V31/I22/26
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