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(a) Schematic diagram of the sample structure and the measurement configuration. (b) Polarization versus electric field hysteresis loops of the PVDF substrate. (c) Typical Kerr hysteresis loops of the FeGa/PVDF films with the magnetic field applied along the easy and hard axes in absence of an applied electric field. (d) Angular dependence of squareness of the hysteresis loops for FeGa/PVDF.
Typical magnetic hysteresis loops of FeGa films along (a) the easy and (b) the hard axes under various electric fields. (c) The coercivity and (e) the squareness of FeGa films as a function of electric field when the magnetic field applied along the easy axis. (d) The coercivity and (f) the squareness of FeGa films as a function of electric field when the magnetic field applied parallel to the hard axis.
Differences of coercivity for the FeGa films under the maximum and zero electric fields at various magnetic field orientations.
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