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Multi-functional piezoelectric/magnetostrictive laminated composite for AC and DC magnetic detection
Yao, Meng1; Ma, Jiashuai1; Fang, Cong1; Di, Wenning; Xu, Bingbing1; Luo, Haosu
2017
发表期刊MATERIALS RESEARCH EXPRESS
ISSN2053-1591
卷号4期号:11
摘要We report on a fabrication of laminated magnetoelectrical composite Metglas/PMNT/Metglas, which is capable of detecting both ac and dc magnetic field. The ME charge coefficient alpha(Q) to ac magnetic field is obtained of 450 pC/Oe at quasi-static frequency under the optimal bias magnetic field and it shows a high value of Q(m) at resonant frequency. Meanwhile, the value of alpha(Q) of this ME sensor with small dimensions shows great sensitivity to dc magnetic field. In the magnetic range of 0.3-2.8 Oe, the sensitivity of alpha(Q) to H-dc reaches to 78 200 pC/Oe(2) under the resonant working condition and the linearity is characterized as 3.3% FSO. Further, the small change of H-dc = 10 nT is detected using a lock-in amplifier under a drive magnetic field of H-ac = 140 nT. Due to this kind of ME sensors published so far focus essentially on ac magnetic detection rather than dc magnetic field, the property of dc magnetic detection achieved here will broaden the application of ME sensors especially in magnetic anomaly detection.
DOI10.1088/2053-1591/aa9951
WOS记录号WOS:000417560200002
引用统计
文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/26632
专题中国科学院上海硅酸盐研究所
作者单位1.Chinese Acad Sci, Key Lab Inorgan Funct Mat & Device, Shanghai Inst Ceram, Shanghai 201800, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Yao, Meng,Ma, Jiashuai,Fang, Cong,et al. Multi-functional piezoelectric/magnetostrictive laminated composite for AC and DC magnetic detection[J]. MATERIALS RESEARCH EXPRESS,2017,4(11).
APA Yao, Meng,Ma, Jiashuai,Fang, Cong,Di, Wenning,Xu, Bingbing,&Luo, Haosu.(2017).Multi-functional piezoelectric/magnetostrictive laminated composite for AC and DC magnetic detection.MATERIALS RESEARCH EXPRESS,4(11).
MLA Yao, Meng,et al."Multi-functional piezoelectric/magnetostrictive laminated composite for AC and DC magnetic detection".MATERIALS RESEARCH EXPRESS 4.11(2017).
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