Giant self-biased magnetoelectric coupling in co-fired textured layered composites

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AIP Publishing

Co-fired magnetostrictive/piezoelectric/magnetostrictive laminate structure with silver inner electrode was synthesized and characterized. We demonstrate integration of textured piezoelectric microstructure with the cost-effective low-temperature co-fired layered structure to achieve strong magnetoelectric coupling. Using the co-fired composite, a strategy was developed based upon the hysteretic response of nickel-copper-zinc ferrite magnetostrictive materials to achieve peak magnetoelectric response at zero DC bias, referred as self-biased magnetoelectric response. Fundamental understanding of self-bias phenomenon in composites with single phase magnetic material was investigated by quantifying the magnetization and piezomagnetic changes with applied DC field. We delineate the contribution arising from the interfacial strain and inherent magnetic hysteretic behavior of copper modified nickel-zinc ferrite towards self-bias response. (C) 2013 American Institute of Physics. []

Templated grain-growth, Ceramics, Sensors, Physics
Yan, Yongke; Zhou, Yuan; Priya, Shashank, "Giant self-biased magnetoelectric coupling in co-fired textured layered composites," Appl. Phys. Lett. 102, 052907 (2013);