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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Pb(Zr,Ti)O_3/Terfenol-D叠层结构中的磁电共振特征及其磁电压分布
Abstract:
研究了Pb(Zr,Ti)O3/Terfenol-D(Tb1-xDyxFe2)合金叠层结构的磁电压特征。介电常数和磁导率随频率变化特征表明,复合样品的电-机械谐振和磁-机械谐振不在同一频率。电-机械谐振和磁-机械谐振均可以增强磁电耦合效果,电-机械谐振对磁电耦合的影响比磁-机械谐振的影响大得多。磁电压的相位差在电-机械谐振频率附近增加0.75π～π,在磁-机械谐振频率附近出现明显的突变。磁电压显示出中心线对称分布,样品的不同位置对磁电压输出的贡献不同。磁电压的不同分布是由于应变的分布方式和谐振模式造成的。
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