A5080322826- Ferroelectric and Piezoelectric Materials
- Multiferroics and related materials
- Microwave Dielectric Ceramics Synthesis
- Acoustic Wave Resonator Technologies
- Dielectric properties of ceramics
- Advanced ceramic materials synthesis
- Material Properties and Applications
- Surface Treatment and Coatings
- Advancements in Materials Engineering
- Electromagnetic wave absorption materials
- Dielectric materials and actuators
- Metal and Thin Film Mechanics
- Magnetic and transport properties of perovskites and related materials
- Electronic and Structural Properties of Oxides
- Tribology and Wear Analysis
- Magnesium Oxide Properties and Applications
- Magnetic Properties and Synthesis of Ferrites
- Material Science and Thermodynamics
- Industrial Engineering and Technologies
- Electrical and Thermal Properties of Materials
- Optical and Acousto-Optic Technologies
- Engineering Technology and Methodologies
- Advanced MEMS and NEMS Technologies
- Composite Material Mechanics
- Chemical and Physical Properties of Materials
University of Silesia in Katowice
2016-2025
University of Economics in Katowice
2020
Technical University of Liberec
2017
Katowice School of Technology
2017
Institute of Occupational Medicine and Environmental Health
2016
Swiss Federal Laboratories for Materials Science and Technology
2016
Silesian University in Opava
2004-2008
The purpose of the present study was to learn morphological, structural, ferroelectric, dielectric, electromechanical, magnetoelectric, and magnetic properties, DC conductivity BaTiO3-Ni0.64Zn0.36Fe2O4 (BT-F) multiferroic composites compacted via free sintering method. influence ferrite content in ceramic composite materials on functional properties is investigated discussed. X-ray diffraction studies confirmed presence two main phases composite, with strong reflections originating from...
Multiferroics with negative value of dielectric constant are very promising materials because their modern applicability. These can be used as for the construction electromagnetic radiation shields. The subject research is multiferroic BiFeO3–PbFe1/2Nb1/2O3 (BF–PFN) ceramics. For all following studies conducted: SEM, EDS and temperature dependence ε′(T). Above a certain (different different chemical compositions) reaches values. Such behavior may indicate that polarization inside material...
In this work, three composite materials based on Terfenol-D and PZT-type material were obtained with a classic sintering method using combination of 0-3 phases, where the ferroelectric phase was doped PZT (P) magnetic (T). The percentage P T components in composites variable, i.e., 90% P/10% (P90-T10), 70% P/30% (P70-T30), 50% P/50% (P50-T50). Structural, microstructure, dielectric, properties DC electric conductivity multiferroic investigated. Chemical composition analyses X-ray studies...
In this work, a multicomponent PZT-type material doped with manganese Mn, antimony Sb, samarium Sm, and tungsten W was fabricated using classical powder technology. Sintering of the ceramic samples performed by free sintering method (pressureless sintering). The influence on properties PZT analyzed variable amount Sm3+ (from 0.8 to 1.2 wt.%) W6+ 1.4 admixture compared Pb(Zr0.49Ti0.51)0.963Mn0.021Sb0.016O3 + W6+1.8 wt.% reference composition. XRD studies have shown that tetragonal structure...
We present the results of obtaining and investigating multiferroic ceramics Pb(Fe1/2Nb1/2)O3 (PFN) PFN doped by various amounts Li (PFN:Li). Ceramics have been obtained from oxides two-step synthesis. For samples X-ray diffraction patterns, microstructure, DC electric conductivity, temperature dependencies dielectric permittivity losses, electromechanical properties hysteresis loops investigated. Obtained shown that introduction decreases conductivity improves parameters important for applications.
The study presents a ferroelectric–ferromagnetic composite based on doped PZT‐type and ferrite powders. Ferroelectric powder (in amount of 90 wt‐%) was multicomponent materials, while nickel–zinc Ni 1–x Zn x Fe 2 O 4 10 served as the magnetic component composite. syntheses composite's components were performed using solid‐phase sintering, final densification synthesized achieved free sintering. X‐ray analysis confirmed presence strong maxima originating from particular material phases, well...
Abstract The ferroelectromagnetic Pb(Fe 0.5 Nb )O 3 (PFN) ceramic was synthesized by a powder calcining method. aim of this work to decrease the electric conduction biferroic PFN as result admixing it with metal oxides or carbonates. Investigation results concerning influence admixtures manganese, chromium and lanthanum potassium strontium carbonates on direct current dielectric parameters are presented. Crystallographic morphological studies were carried out using X‐ray diffraction scanning...
Aurivillius-type ceramics Bi6Fe2−xMnxTi3O18 x = 0, 0.3, 0.9, 1.5 were obtained by a solid-state reaction method using high-purity TiO2, Bi2O3, Fe2O3 and Mn2O3 powders. The milled powder was calcined at 1113 K for 4 h. After calcination, the again than pressed into pellets sintered 1213 It detected that addition of manganese ions to multiferroic five-layer structure affects size grains. found that, certain amount causes polarization material doped them, have direction opposite applied...
The paper presents the technology of ferroelectric-ferromagnetic ceramic composites obtained from PLZT powder (the chemical formula Pb0.98La0.02(Zr0.90Ti0.10)0.995O3) and ferrite (Ni0.64Zn0.36Fe2O4), as well results X-ray powder-diffraction data (XRD) measurement, microstructure, dielectric, ferroelectric, magnetic properties composite samples. (P-F) was by mixing synthesis 90% 10% powders. XRD test P-F shows a two-phase structure derived component (strong peaks) (weak peaks). symmetry...
Lead-free K0.5Bi0.5TiO3 (KBT) ceramics with high density (~5.36 g/cm3, 90% of X-ray density) and compositional purity (up to 90%) were synthesized using a solid-state reaction method. Strongly condensed KBT revealed homogenous local microstructures. TG/DSC (Thermogravimetry-differential scanning calorimetry) techniques characterized the thermal structural stability KBT. High mass (>0.4%) has proven no decomposition or other phase precipitation up 1000 °C except for co-existing K2Ti6O13...
In the work, multicomponent Pb0.75Ba0.25(Zr0.65Ti0.35)1-aSnaO3 (PBZT/Sn) ceramics were obtained with various tin amounts (a from range of 0.0 to 0.1). The densification PBZT/Sn ceramic samples was performed using pressureless sintering method. effect SnO2 content on crystal structure ceramics, microstructure, DC electrical conductivity and electrophysical properties (including dielectric ferroelectric testes), investigated. exhibit high values permittivity at temperature ferro-paraelectric...
This work shows the influence of admixture on basic properties multicomponent PbZr1-xTixO3 (PZT)-type ceramics. It presents results four compositions PZT-type material with general chemical formula, Pb0.99M0.01((Zr0.49Ti0.51)0.95Mn0.021Sb0.016W0.013)0.9975O3, where, in M position, a donor was introduced, i.e., samarium (Sm3+), gadolinium (Gd3+), dysprosium (Dy3+) or lanthanum (La3+). The ceramics were obtained through classic ceramic method, as result synthesis simple oxides. X-ray...
This study reports a combined technological process that includes synthesis by the calcination powder route and sintering Spark Plasma Sintering (SPS) method for multiferroic ceramic composites in order to find optimal conditions. The effects of temperature on SPS dwell time microstructure dielectric properties PF were discussed. Research has shown using favors correct densification powders allows obtaining fine-grained with good electrophysical parameters composite material. set is...