An Extremely Low Equivalent Magnetic Noise Magnetoelectric Sensor | Zendy

Wang Yaojin | Zendy; Gray David | Zendy; Berry David | Zendy; Gao Junqi | Zendy; Li Menghui | Zendy; Li Jiefang | Zendy; Viehland Dwight | Zendy

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An Extremely Low Equivalent Magnetic Noise Magnetoelectric Sensor

Author(s) -

Wang Yaojin,

Gray David,

Berry David,

Gao Junqi,

Li Menghui,

Li Jiefang,

Viehland Dwight

Publication year - 2011

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201100773

Subject(s) - metglas , materials science , noise (video) , magnetic field , magnetic noise , sensitivity (control systems) , low frequency , nuclear magnetic resonance , magnetostriction , magnetoelectric effect , acoustics , condensed matter physics , optoelectronics , physics , composite material , electronic engineering , artificial intelligence , multiferroics , computer science , dielectric , image (mathematics) , ferroelectricity , electromagnetic shielding , quantum mechanics , astronomy , engineering

Extremely low equivalent magnetic noise in a Metglas/piezofiber magnetoelectric (ME) magetic‐field sensor, realized through a combination of a giant ME effect and a reduction in constituent internal noise sources, is demonstrated. The ME coefficient is 52 V cm −1 Oe −1 at low frequency, the 1 Hz equivalent magnetic noise is 5.1 pT Hz −1/2 , and the magnetic field sensitivity is 10 nT.

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