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CuO added Pb0.92Sr0.06Ba0.02(Mg1/3Nb2/3)0.25(Ti0.53Zr0.47)0.75O3 ceramics sintered with Ag electrodes at 900℃ for multilayer piezoelectric actuator

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【作者】 Muhammad Adnan Qaiser； Ahmad Hussain； 徐玉青； 汪尧进； 王一平； 杨颖； 袁国亮；

【Author】 Muhammad Adnan Qaiser;Ahmad Hussain;Yuqing Xu;Yaojin Wang;Yiping Wang;Ying Yang;Guoliang Yuan;School of Materials Science and Engineering, Nanjing University of Science and Technology;Precision Driving Laboratory, Nanjing University of Aeronautics and Astronautics;

【机构】 School of Materials Science and Engineering, Nanjing University of Science and Technology； Precision Driving Laboratory, Nanjing University of Aeronautics and Astronautics；

【摘要】 CuO added Pb0.92Sr0.06Ba0.02(Mg1/3Nb2/3)0.25(Ti0.53Zr0.47)0.75O3 ceramics were studied to prepare high-quality multilayer piezoelectric actuators with pure Ag electrodes at 900℃. Cu O addition not only reduced the sintering temperature significantly from 1260℃ to 900℃ but also improved the ceramic density to 7.742 g/cm3. The 0.7 wt.% Cu O added ceramic sintered at 900℃ shows the remnant polarization（Pr） of 40 μC/cm2, 0.28% strain at 40 kV/cm, and the piezoelectric coefficient(d33) of 630 pC/N. This ceramic shows a strong relaxor characteristic with a Curie temperature of 200℃. Furthermore, the 0.7 wt.% CuO added ceramic and pure Ag electrodes were co-fired at 900℃ to prepare a high-quality multilayer piezoelectric actuator with a d33 of over 450 pC/N per ceramic layer.

【Abstract】 CuO added Pb0.92Sr0.06Ba0.02(Mg1/3Nb2/3)0.25(Ti0.53Zr0.47)0.75O3 ceramics were studied to prepare high-quality multilayer piezoelectric actuators with pure Ag electrodes at 900℃. Cu O addition not only reduced the sintering temperature significantly from 1260℃ to 900℃ but also improved the ceramic density to 7.742 g/cm3. The 0.7 wt.% Cu O added ceramic sintered at 900℃ shows the remnant polarization（Pr） of 40 μC/cm2, 0.28% strain at 40 kV/cm, and the piezoelectric coefficient(d33) of 630 pC/N. This ceramic shows a strong relaxor characteristic with a Curie temperature of 200℃. Furthermore, the 0.7 wt.% CuO added ceramic and pure Ag electrodes were co-fired at 900℃ to prepare a high-quality multilayer piezoelectric actuator with a d33 of over 450 pC/N per ceramic layer.

【关键词】 piezoelectric ceramics； low-temperature co-fired ceramic； multilayer piezoelectric actuators；
【Key words】 piezoelectric ceramics； low-temperature co-fired ceramic； multilayer piezoelectric actuators；
【基金】 Project supported by the National Natural Science Foundation of China(Grant Nos.51472118,51602156,52177072,and 11274174);the Fundamental Research Funds for the Central Universities,China(Grant Nos.30916011104 and 30916011208)
  • 【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2017年03期
  • 【分类号】TN384
  • 【被引频次】1
  • 【下载频次】31
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