Improved Magnetoelectric Performance of the Ni-P/Ni/Pb(Zr,TiO)3 Cylindrical Layered Composites

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The Ni-P/Ni/Pb(Zr,TiO)3 (PZT) cylindrical layered magnetoelectric (ME) composites have been prepared by electroless deposition and electrodeposition. The ME effect in the axial mode was researched in this paper. Compared with that of the Ni/PZT and Ni-P/PZT composites, the Ni-P/Ni/PZT composites have both lower optimal magnetic field and higher ME voltage coefficient. The reason for the ME improvement can be ascribed to the flux concentration effect and the compressive stress in the Ni layers induced by the high permeability Ni-P layers. These results open up a suitable way to enhance the sensitivity and optimize the design of ME devices for practical application. This work was supported by the Beijing Nova program (No. Z141103001814006), by the National Key Technology R&D Program (Nos. 2012BAC12B05 and 2012BAC02B01), by the National Natural Science Foundation of China (Nos. 51174247 and U1360202), by the National High-Tech Research and the Development Program of China (No. 2012AA063202).

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Applied Physics Letters, v. 105, issue 10, art. 102902