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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
Fang, Cong1,2; Ma, Jiashuai1,2; Yao, Meng1,2; Di, Wenning1; Lin, Di1; Xu, Haiqing1; Wang, Wei1; Luo, Haosu1
2017
发表期刊Journal of Magnetism and Magnetic Materials
ISSN03048853
卷号423页码:106-110
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.
DOI10.1016/j.jmmm.2016.09.074
EI入藏号20163902841845
EI主题词High frequency amplifiers
EI分类号547.2 Rare Earth Metals - 701.2 Magnetism: Basic Concepts and Phenomena - 713.1 Amplifiers - 751.4 Acoustic Noise
引用统计
文献类型期刊论文
条目标识符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
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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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