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This paper presents the investigations of the electrical properties of the (CoFeZr)x(PZT)1−x nanocomposite with the metallic phase content x = 43.8 at.%, which was produced by ion beam sputtering. Such preparation took place under an argon atmosphere with low oxygen content with its partial pressure PO2 = 2 × 10−3 Pa. The measurements were performed using alternating current within the frequency range of 50 Hz–10 Hz for measuring temperatures ranging from 238 K to 328 K. The (CoFeZr)43.8(PZT)56.2 nanocomposite sample subjected to a 15 min annealing process in air at the temperature Ta = 423 K demonstrates a phase angle of −90◦ ≤ θ ≤ 0◦ in the frequency range 50 Hz–10 Hz. It corresponds to the capacitive type of conduction. In the frequency range 10–10 Hz sharp minima in selected conductivity vs. frequency characteristics occur, which corresponds to a current resonance phenomenon in RLC circuits. In case of a sample annealed at Ta = 498 K the inductive type of conduction with 0◦ ≤ θ ≤ +90◦ occurs in a high frequency area. At the frequency fr characterized by the phase angle θ = 0◦, the capacity value reaches its local minimum. It indicates a voltage resonance phenomenon in conventional RLC circuits. The θ = +90◦ crossing in the frequency dependence of phase angle corresponds to the current resonance phenomenon, which is represented by a strong local minimum in the conductivity vs. frequency characteristics.

Presence of Inductivity in (CoFeZr)x(PZT)1-xNanocomposite Produced by Ion Beam Sputtering

Presence of Inductivity in (CoFeZr)_x(PZT)_1-xNanocomposite Produced by Ion Beam Sputtering