A record-high, near-theoretical intrinsic magnetoelectric (ME) coupling of 7 V cm−1 Oe−1 is achieved in a heterostructure of piezoelectric Pb(Zr,Ti)O3 (PZT) film deposited on magnetostrictive Metglas (FeBSi). The anchor-like, nanostructured interface between PZT and Metglas, improved crystallinity of PZT by laser annealing, and optimum volume of crystalline PZT are found to be the key factors in realizing such a giant strain-mediated ME coupling.
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Palneedi et al. (2017) studied this question.
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