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(a) Temperature dependence of the permittivity ( and ) of the films of - and -textures at . (b) Magnetic field dependences of and of -textured and -textured films of various thicknesses. corresponds to . Dielectric pemittivities have been measured with a signal of 300 mV at 100 kHz.
(a) I-E characteristics (, ) of the 105 nm -textured film under distinct magnetic fields (0, 4 T, and 6 T, respectively) measured at 10 kHz and 5 K. (b) P-E loops integrated from I-E characteristics of Fig. 2(a).
Magnetic field dependences of for (red and blue circles) (empty black up triangles) and (empty green down triangles), and of for (solid squares). .
(a) I-E characteristics (PUND) (left axis) and the polarization loop (right axis) along the -axis for the 137 nm -textured film at zero magnetic field and 5 K. (b) I-E characteristics (, ) measured under distinct magnetic fields.
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