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(a) Typical frequency dependent impedance and phase change of film measured at , and inset shows a schematic diagram of the electrical circuit employed in measuring it. (b) Temperature dependent dielectric constant measured at . For comparison, normalized temperature dependent magnetization is also shown.
(a) Temperature dependent dielectric constant measured in the vicinity of Curie temperature under different magnetic fields. Variation of magnetodielectric constant at and applied magnetic field from (b) and (c) . In (c) is normalized. Solid lines are just visual guide to the eyes. Normalized spontaneous magnetization as a function of temperature measured in field is also shown for the sake of comparison.
vs curve measured at different temperatures close to the FM .
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