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Variations of dielectric constant (real part and imaginary part ) of polycrystalline as a function of magnetic field (a) between and (measurement A) and (b) between and after applying (measurement B), both at . Magnetic field is applied parallel to the direction of electric field. There are three cycles in the hysteresis loop in (b).
Variations of (a) magnetization and (b) the square of magnetization of polycrystalline as a function of magnetic field between and . The inset in (a) shows the hysteresis loop of between and after applying .
(Color online) Variations of magnetization as a function of magnetic field at for a polycrystalline sample (squares), a ground single crystal (solid lines), and a single crystal along the  (circles) and the  directions (triangles).
(Color online) Schematic picture of the behavior of magnetic domains with different coercive fields.
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