Highly zero-biased magnetoelectric response in magnetostrictive/piezoelectric composite

被引：24
作者：
Chen, Lei [1 ]
Li, Ping
Wen, Yumei
Wang, Pan
机构：
[1] Chongqing Univ, Coll Optoelect Engn, Chongqing 400044, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2012年 / 112卷 / 02期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
LAMINATE COMPOSITE; SENSORS;
D O I：
10.1063/1.4737404
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The magnetoelectric (ME) coupling is investigated in laminated composites employing piezoelectric ceramic PZT (PZT-8), iron-nickel-based ferromagnetic alloy with constant elasticity (FeNi-FACE), and soft magnetic amorphous ribbon FeCuNbSiB (Fe73.5Cu1Nb3Si13.5B9). The two different ferromagnetic materials of FeNi-FACE and FeCuNbSiB result in built-in dc magnetic bias (H-dc) due to difference in their magnetic permeability and coercivity. In addition, the relatively high mechanical quality factors (Q(m)) for FeNi-FACE, PZT-8, and FeCuNbSiB enhance the resonant ME voltage due to an increased effective Q(m) of ME composite. Hence, a strong resonant ME response at zero-biased dc magnetic field can be obtained. The corresponding ME voltage coefficients (MEVC) at resonance for PZT/FeNi-FACE/FeCuNbSiB (FeFP) composite and FeCuNbSiB/FeNi-FACE/PZT/FeNi-FACE/FeCuNbSiB (FeFPFFe) composites achieve 2.19 V/Oe (27.375 V/cm Oe) and 3.37 V/Oe (42.125 V/cm Oe), respectively, which is similar to 10(2) times higher than that of the previously reported NKNLS-NZF/Ni/NKNLS-NZF trilayer composite. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4737404]
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页数：4
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