Electric and magnetic properties of some magnetodielectric composites at microwave frequency
Source abstract
Abstract
Abstract Ni0.4Zn0.6Fe2O4/Pb(Zr0.53Ti0.47)O3 (NZFO/PZT), BaFe12O19/Pb(Zr0.53Ti0.47)O3 (BaM/PZT) and BaFe12O19/Ba0.6Sr0.4TiO3 (BaM/BST) composite ceramics were fabricated by a conventional sintering method. Their magnetic and electrical properties are compared in detail at microwave frequency, including the effect of magnetic field and polarization. In the high frequency of 2–10 GHz, the permeability and permittivity of BaM/PZT and BaM/BST composites enjoy good stability under DC magnetic field. The permeability of NZFO/PZT composites shows a loss peak due to the domain wall resonance under magnetic field, which moves to high frequency with the increase in magnetic field. For polarized BaM/PZT and NZFO/PZT composites, the loss peak of permeability shifts to low frequency and the loss peak of permittivity becomes broadened. These clearly indicate the coupling between magnetic and ferroelectric phases at microwave frequency. The results are helpful for material selection in the design of microwave devices.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Multiferroics and related materials · Ferroelectric and Piezoelectric Materials · Magnetic Properties and Synthesis of Ferrites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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