Magnetoelectric effect from the direct coupling of the Lorentz force from a brass ring with transverse piezoelectricity in a lead zirconate titanate (PZT) disk |
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| Authors: | YM Jia D Zhou LH Luo XY Zhao HS Luo SW Or HLW Chan |
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| Institution: | (1) State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Chengbei Road 215, Jiading, Shanghai, 201800, P.R. China;(2) Department of Applied Physics, Hong Kong Polytechnic University, Kowloon, Hong Kong, P.R. China;(3) Graduate School of the Chinese Academy of Sciences, Beijing, 100039, P.R. China |
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| Abstract: | A novel composite of brass ring and PZT disk shows a high dc magnetic field (Hdc) response when using the product effect of the Lorentz force effect from a metal ring in a dc magnetic field applied with
ac electrical current, and the piezoelectric effect of piezoelectric material. The output voltage between the two faces of
PZT shows a good linear response to the dc magnetic field (<1 kOe) under different ac electrical current inputs (<300 mA).
The magnetoelectric coefficient is about ∼33.2 mV/T A. Simultaneously, the magnitude of its magnetoelectric coefficient can
be manually controlled by an applied electrical current. This composite has the potential for applications in magnetoelectric
transducers and sensors that work without coils even for static magnetic fields.
PACS 85.80.Jm; 77.84.-S; 75.80.+q; 77.84.Dy; 77.65.-j |
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