PLMN、PLN、PMN体系压电陶瓷性能与结构的对比研究

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在PLN-PZT、PMN-PZT两个三元系基础上制备的PLMN-PZT四元系压电陶瓷综合了两个三元系材料的优点,既具有良好的压电性能又具有小的损耗,是一种优良的压电变压器材料.通过三个体系的比较,PLMN-PZT四元系材料适中的四方度、晶粒尺寸及晶界处锰的析出是它具有良好压电、介电性能的结构基础.
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