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首页> 外文会议>2013 IEEE International Symposium on the Applications of Ferroelectric and Workshop on the Piezoresponse Force Microscopy >Effects of thermal treatment on piezoelectric and dielectric properties of zirconium modified barium titanate ceramics
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Effects of thermal treatment on piezoelectric and dielectric properties of zirconium modified barium titanate ceramics

机译：热处理对锆改性钛酸钡陶瓷压电和介电性能的影响

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摘要

In this work, zirconium doped barium titanate ceramics were prepared via a solid state technique. After sintering at 1,450 °C for 2h, the ceramics were annealed at 1,200 °C for 4−16 h. Effects of the thermal treatment on the electrical properties of the ceramics were investigated. An improvement in strain level and piezoelectric coefficient were observed especially for the sample annealed for 8 h. Bipolar strain level and piezoelectric coefficients (d*33) of the 8 h sample were 0.26% and 326 pm/V, respectively. The dielectric constants of the annealed samples were also significantly improved. The piezoelectric and dielectric properties could be correlated with changes in densification and microstructure.
机译：在这项工作中，通过固态技术制备了锆掺杂的钛酸钡陶瓷。在1,450°C烧结2小时后，将陶瓷在1,200°C退火4-16小时。研究了热处理对陶瓷电性能的影响。观察到特别是退火8 h的样品，应变水平和压电系数都有改善。 8 h样品的双极应变水平和压电系数（d * 33）分别为0.26％和326 pm / V。退火样品的介电常数也显着提高。压电和介电性能可能与致密化和微观结构的变化相关。

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