Date of Original Version
Using an external magnetic field, we have demonstrated room temperature control of the electric polarization of a ferroelectric polymer, polyvinylidene fluoride (PVDF), in an artificial multiferroic structure. For ferroelectric PVDF polymer thin films in an iron-PVDF-iron heterostructure, both the ferroelectric coercivity and polarization display a hysteresis dependence on the external magnetic field. We also find that the thickness of the PVDF layer has an effect on the magnetoelectric coupling in our samples. We observe a giant magnetoelectric coupling with values as large as 3700 V/cm Oe to 41700 V/cm Oe.
Carvell, J., Cheng, R., Dowben, P. A., & Yang, Q. (2017). Induced magneto-electric coupling in ferroelectric/ferromagnetic heterostructures. Appl. Phys. Lett., 103, 072902. doi: 10.1063/1.4818455
Available at: https://doi.org/10.1063/1.4818455