A comparison of converse magnetoelectric coupling effect of YIG film on FE and AFE ceramic substrates
Résumé
The magnetoelectric properties of laminated heterostructures consisting of ferromagnetic yttrium iron garnet (YIG) films deposited on antiferroelectric (AFE) (Pb0.97La0.02)(Zr0.6Sn0.3Ti0.1)O3 (PLZST) and on ferroelectric (FE) 0.75Pb(Mg1/3Nb2/3)O3-0.25Pb(Zr0.48Ti0.52)O3 (PMN-PZT) ceramics are compared in this work. In particular, the Converse Magneto Electric (CME) coefficient is evaluated for these two types of structures. When the electric field is applied on an AFE ceramic, the CME coefficient peaks at the switching field and, without bias magnetic field, the maximum value is 11.6 × 10-8 s/m. In case of a FE ceramic, at the electric coercive field, the CME coefficient can reach 17 × 10-8 s/m at 0 Oe. Each structure has advantages and disadvantages depending on the applications.
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