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Equivalent magnetic noise reduction at high frequency range due to polarized direction optimization in Terfenol-D/Pb(Mg1/3Nb2/3)O3-PbTiO3magnetoelectric laminate sensors

文献类型：期刊论文

作者Fang, Cong1,2; Ma, Jiashuai1,2; Yao, Meng1,2; Di, Wenning1; Lin, Di1; Xu, Haiqing1; Wang, Wei1; Luo, Haosu1
刊名Journal of Magnetism and Magnetic Materials
出版日期2017
卷号423页码:106-110
ISSN号03048853
DOI10.1016/j.jmmm.2016.09.074
英文摘要In this paper, we investigate the responsivities and output voltage noise power spectral densities of magnetoelectric (ME) laminate sensors, consisting of length magnetized Terfenol-D alloys and transverse/width poled Pb(Mg1/3Nb2/3)O3-PbTiO3(PMNT) crystals (i.e. L-T mode and L-W mode respectively), which are directly integrated with custom-build low noise charge amplifier circuits. Both the theoretical analyses and experimental results prove that the L-W mode sensor with the optimized polarized direction of the PMNT plate possesses lower magnetic detection limit at the interested high frequency range of 10 kHz≤f≤50 kHz. The equivalent magnetic noise (EMN) of the L-W mode sensor is 0.78 pT/Hz1/2at 30 kHz, which is about 1.7 times lower than the 1.35 pT/Hz1/2for conventional L-T mode sensor. Furthermore, an effective method of using operational amplifiers with low equivalent input noise voltage and employing ME laminate composites with high voltage coefficient to reduce the EMNs of the ME laminate sensors at high frequency range has been established. © 2016 Elsevier B.V.
源URL[http://ir.sic.ac.cn/handle/331005/25542]  
专题中国科学院上海硅酸盐研究所
作者单位1.Key Laboratory of Inorganic Functional Material and Device, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 201800, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China
推荐引用方式
GB/T 7714		 Fang, Cong,Ma, Jiashuai,Yao, Meng,et al. Equivalent magnetic noise reduction at high frequency range due to polarized direction optimization in Terfenol-D/Pb(Mg1/3Nb2/3)O3-PbTiO3magnetoelectric laminate sensors[J]. Journal of Magnetism and Magnetic Materials,2017,423:106-110.
APA Fang, Cong.,Ma, Jiashuai.,Yao, Meng.,Di, Wenning.,Lin, Di.,...&Luo, Haosu.(2017).Equivalent magnetic noise reduction at high frequency range due to polarized direction optimization in Terfenol-D/Pb(Mg1/3Nb2/3)O3-PbTiO3magnetoelectric laminate sensors.Journal of Magnetism and Magnetic Materials,423,106-110.
MLA Fang, Cong,et al."Equivalent magnetic noise reduction at high frequency range due to polarized direction optimization in Terfenol-D/Pb(Mg1/3Nb2/3)O3-PbTiO3magnetoelectric laminate sensors".Journal of Magnetism and Magnetic Materials 423(2017):106-110.

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来源：上海硅酸盐研究所

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