Magnetoelectric properties of Ni/PZT/Ni layered composite for low field applications |
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| Authors: | S Narendra Babu A Siddeshwar K Srinivas S V Suryanarayana T Bhimasankaram |
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| Affiliation: | (1) Materials Research Laboratory, Department of Physics, Osmania University, Hyderabad, 500 007, India;(2) Directorate of Advanced Composites, Advanced Systems Laboratory, Kanchanbagh P.O., Hyderabad, 500 058, India;(3) Present address: Department of Physics, National Taiwan University, Taipei, 106, Taiwan |
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| Abstract: | A composite material when placed under the external magnetic/electric fields exhibits voltage/induced magnetization is known
as magnetoelectric (ME) composite. Such composite materials should have ferroelectric and ferro/ferri magnetic phases as constituents.
The magnetoelectric output is exhibited as a product property. Magnetoelectric composites are being used for variety of applications
including resonators, filters, phase shifters, optical isolators, actuators and magnetic field sensors. Metal/ferroelectric/metal
magnetoelectric composite using Ni and PZT as constituent phases has been fabricated in 2-2 composite pattern to study its
product property. The paper presents magnetoelectric studies of Ni/PZT/Ni composite using low dc magnetic field magnetoelectric
set-up. Using this ME set-up ME output of Ni/PZT/Ni composite is studied as a function of dc magnetic field. The results were
analyzed to identify the useful magnetic field (dc and ac) range in which Ni/PZT/Ni sensor can be utilized for applications. |
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