Influence of the Sintering Method on the Properties of a Multiferroic Ceramic Composite Based on PZT-Type Ferroelectric Material and Ni-Zn Ferrite

Bochenek, Dariusz; Chrobak, A.; Dercz, Grzegorz

doi:10.3390/ma15238461

Cited by 4 publications

(2 citation statements)

References 82 publications

(81 reference statements)

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“…The enchanting qualities of multiferroic materials are intricately linked to the arrangement of their grains and their compactness 20 . Consequently, a meticulous examination of the microstructure of the samples prepared under pristine conditions was conducted at ambient temperature through the utilization of scanning electron microscopy (SEM).…”

Section: Resultsmentioning

confidence: 99%

“…their compactness. 20 Consequently, a meticulous examination of the microstructure of the samples prepared under pristine conditions was conducted at ambient temperature through the utilization of scanning electron microscopy (SEM). SEM analysis was carried out subsequent to the consolidation of all the pellets at a temperature of 1200 • C for a duration of 4 h. The visual representation of the SEM micrographs, illustrating the outcomes of the conducted experiments, can be observed in Figure 4, depicting the varying ratios of BCT and NZLFO.…”

Section: Sem Analysismentioning

confidence: 99%

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Study on the magnetoelectric effect, ferroelectric and optical investigation of (1−x) BCT + x NZLFO multiferroic composite

Rahman,

Hasan,

Rouf

et al. 2024

Int J Applied Ceramic Tech

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This study investigates the magnetoelectric coupling effect in dual‐phase multiferroic composites prepared using a solid‐state reaction method. The composites were fabricated with the formula (1−x)Ba₀.₇₇Ca₀.₂₃TiO₃(BCT) + xNi₀.₆Zn₀.₂₅La₀.₁₅Fe₂O₄(NZLFO), where x varied from 0% to 100% in 10% increments. Ca‐doped BaTiO₃ served as the ferroelectric phase, while La‐doped Ni–Zn ferrite acted as the ferromagnetic phase. The effects of varying ferrite content (x) on structural, optical, ferroelectric, electrical, and magnetoelectric properties were comprehensively analyzed. X‐ray diffraction (XRD) with Rietveld refinement revealed a spinel cubic structure for the ferrite phases and a tetragonal structure for the perovskite phases. The study observed a moderate influence of ferrite concentration on the lattice parameters of BCT and an opposing effect on the lattice parameters of NZLFO. Optical measurements indicated higher light absorption in the visible range compared to the UV region and wide optical bandgap. Magnetic properties, characterized by saturation magnetization, exhibited a dependence on temperature, with a Curie temperature (Tc) of 700 K. Electrical resistivity displayed a maximum at x = 50% and remained constant at high frequencies. The study also confirmed the presence of electric polarization induced by a magnetic field, with the highest magnetoelectric coefficient observed at x = 10%. These findings demonstrate the successful fabrication of dual‐phase multiferroic composites with tunable properties through controlled ferrite content. The observed magnetoelectric coupling suggests potential applications in multifunctional devices.

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Section: Resultsmentioning

confidence: 99%

Section: Sem Analysismentioning

confidence: 99%

Study on the magnetoelectric effect, ferroelectric and optical investigation of (1−x) BCT + x NZLFO multiferroic composite

Rahman,

Hasan,

Rouf

et al. 2024

Int J Applied Ceramic Tech

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Magnetoelectric properties of multiferroic ceramic composites

Bochenek,

Niemiec,

Chrobak

et al. 2023

Appl. Phys. A

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The paper analyzes the influence of hard and soft admixture on the functional properties of multiferroic ceramic composites. Two composite materials via solid-state reaction route were obtained. PZT-type materials (with hard or soft admixture) were selected as the ferroelectric component (90%), and nickel–zinc ferrite as the magnetic component (10%). The influence of the doping type (soft and hard admixture of the ferroelectric composite component) on multiferroic composites’ dielectric, ferroelectric, electromechanical, magnetic, and magnetoelectric properties were analyzed. Microstructural studies revealed the microstructure of composites with the correct distribution of the magnetic component in the ferroelectric matrix, suitable for maintaining both the ferroelectric and magnetic properties of composite materials. Research has shown that using a ferroelectric component as the PZT (from the morphotropic region and doped with the ferroelectrically soft niobium admixture) shows many advantages, positively influencing the functional properties of the multiferroic composite. It ensures effective polarization of the composite sample, obtaining a high magnetoelectric effect, which is required in sensors or magnetoelectric converters. PZT with a hard admixture shows higher stability of physical parameters, but its characteristic property also hinders the effective polarization of the composite sample.

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Opportunity of ferrimagnetic (CZLF)/ferroelectric (BZT) composite materials in high frequency applications

Altarawneh,

Henaish,

Ghazy

et al. 2024

Indian J Phys

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The ferrimagnetic Zn0.35Co0.65 La0.02Fe1.98O4 (CZLF) ferrite with cubic spinel structure (space group Fd3m) was made into composite by mixing with ferroelectric Ba0.5Zr0.5TiO3 (BZT) perovskite with tetragonal structure (space group P4mm) at the mass ratio. Disk-shaped composite powder was finally heated at 1100 °C to study the structure, dielectric and ferroelectric properties. The structural characterization for synthesized samples were carried out using Fourier transform infrared and Transmission Electron Microscopy. Fourier transform infrared show the successful formation of composite samples which is also observed from x-ray diffraction pattern. In compared to their ferrite counterparts before the composite, dielectric response and ferroelectric characteristics of the composite samples are noticeably altered. Compared to the ferrite samples, the composite system exhibits a higher permittivity. In composite samples, the space charge polarization, which was primarily effective at low frequencies and high measurement temperatures, is much diminished. The mechanical properties and indentation creep of these bearing alloys were studied by Vickers indentation testing at room temperature. The remnant polarization of BZT/CZLF increases with decreasing BZT content, which may be suitable for permanent memory device applications. Graphical abstract

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Influence of the Sintering Method on the Properties of a Multiferroic Ceramic Composite Based on PZT-Type Ferroelectric Material and Ni-Zn Ferrite

Cited by 4 publications

References 82 publications

Study on the magnetoelectric effect, ferroelectric and optical investigation of (1−x) BCT + x NZLFO multiferroic composite

Study on the magnetoelectric effect, ferroelectric and optical investigation of (1−x) BCT + x NZLFO multiferroic composite

Magnetoelectric properties of multiferroic ceramic composites

Opportunity of ferrimagnetic (CZLF)/ferroelectric (BZT) composite materials in high frequency applications

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