不同铁电材料制备多层陶瓷的极化行为研究

2020 Joint Conference of the IEEE International Frequency Control Symposium and International Symposium on Applications of Ferroelectrics (IFCS-ISAF) Pub Date : 2020-07-01 DOI:10.1109/IFCS-ISAF41089.2020.9234914

H. Kishi, T. Tsurumi, Takayuki Gotoh, K. Morita, Y. Iwazaki

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引用次数: 0

摘要

采用BT、LNKN和PZT三种铁电材料，研究了交流和单极极化对多层陶瓷压电性能的影响。我们发现LNKN和PZT系统同时具有交流和单极化效应，具有与直流极化相当的高d31*值。特别是，PZT系统在较宽的频率范围内，甚至在20khz的高频也表现出交流和单轮询效应，这表明它可以在0.1 ms的极短时间内极化。本文将讨论这些材料的极化机理。

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Study on Polarization Behavior of Multilayer Ceramics Using Various Ferroelectric Materials

We investigated the effect of AC and Uni-Polar polarization on piezoelectric properties of multilayer ceramics using three types of Ferroelectric materials, such as BT, LNKN and PZT based systems. We found LNKN and PZT systems showed both AC and Uni-Poling effect that showed high d31* value comparable to DC polarization. Especially, PZT systems showed AC and Uni-Polling effect in the wide frequency range, even at a high frequency of 20 kHz, which indicates that it can be polarized in an extremely short time of 0.1 ms. The mechanisms of polarization in these materials will be discussed.

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2020 Joint Conference of the IEEE International Frequency Control Symposium and International Symposium on Applications of Ferroelectrics (IFCS-ISAF)

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