偏压磁场下磁电层压复合材料PMN-PT的振动

2015 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA) Pub Date : 2015-10-01 DOI:10.1109/SPAWDA.2015.7364528

Ben-jie Ding, Jianke Du, J. Lou, Ji Wang, T. Ma, Bin Huang, Li-wen He

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引用次数: 0

摘要

在低偏置磁场下，纵向磁化磁致伸缩压电层与横向极化压电层构成的层状复合材料具有巨大的磁电效应。共振时的最大感应磁电耦合系数为3.66 V/(cm×Oe)，比次共振时的磁电耦合系数高11倍以上。结果表明，PMN-PT和Terfenol-D复合材料对直流磁场的灵敏度小于10-6T。

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Vibration of magnetoelectric laminate composite PMN-PT under bias magnetic fields

It has been discovered that laminate composites of longitudinally magnetized magnetostrictive and transversely poled piezoelectric layers have a giant magneto-electric effect under a low bias magnetic field. The maximum induced magnetoelectric coupling coefficient at resonance is 3.66 V/(cm×Oe), which is over 11 times higher than magnetoelectric coupling coefficient at sub-resonance frequency. The results reveal that laminated of PMN-PT and Terfenol-D have a high sensitivity of less than 10-6T to a DC magnetic field.

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2015 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA)

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