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Capacitor systems with magnetoresistive Maxwell-Wagner behavior: (a) homogeneous material with charge-depleted interfacial layers, (b) superlattice, and (c) clustered material or fine-grained ceramic with depleted grain boundaries. All can be modeled by two leaky capacitors in series with one of the leakage components being magnetically tunable (d).
Calculated magnetocapacitance (full circles) and magnetolosses (empty circles) of a magnetoresistive material with depleted boundary layers when the MR is core-based (e.g., double-exchange mechanism) and interface-based (e.g., tunneling magnetoresistance).
Calculated relative dielelectric constant and dielectric loss as a function of frequency for a superlattice consisting of ferroelectric barium titanate and a magnetoresistive manganite.
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