INFLUENCE OF INTERFACE AND POLARIZATION ON MAGNETOELECTRIC COUPLING INNi-LEAD ZIRCONIUM TITANATE-NiTRILAYERS DERIVED BY ELECTROLESS DEPOSITION

K. Bi and Y. G. Wang ()
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K. Bi: College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, PR China
Y. G. Wang: College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, PR China

Surface Review and Letters (SRL), 2012, vol. 19, issue 03, 1-7

Abstract: Magnetoelectric (ME) coupling in layered structures of magnetostrictive and piezoelectric phases are mediated by mechanical deformation and depends strongly on the interface conditions.Ni-lead zirconium titanate-Nitrilayers with neither electrodes nor bonding layers have been derived by electroless deposition. The structure of the electroless depositedNilayer was characterized by X-ray diffraction. The cross-section of theNi/PZTlayers was investigated using scanning electron microscopy. The value of ME voltage coefficient (αE,31) increases as the interface roughness increases. The maximum of αE,31for theNi/PZT/Nitrilayers polarized after electroless deposition is higher than that for theNi/PZT/Nitrilayers polarized before electroless deposition. It is essential to optimize the interface and the polarization to obtain higher ME voltage coefficient.

Keywords: Magnetoelectric; interface roughness; polarization; electroless deposition; 75.80.+t; 75.80.+q; 77.65.Fs (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1142/S0218625X12500308

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