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Wyszukujesz frazę "Szalbot, D." wg kryterium: Autor

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    Wyświetlanie 1-4 z 4
    Tytuł:
    The Effect of Ho Doping Contents on the Structural, Microstructure and Dielectric Properties of Bi5Ti3FeO15 Aurivillius Ceramics
    Autorzy:
    Tomaszewska, M.
    Dzik, J.
    Wodecka-Duś, B.
    Pikula, T.
    Adamczyk-Habrajska, M.
    Szalbot, D.
    Chocyk, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2049646.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    ceramics
    Bi5Ti3FeO15
    Ho3+ doping
    microstructure
    structure
    dielectric properties
    Opis:
    Aurivillius Bi5-xHoxTi3FeO15 (BHTFO) multiferroic ceramics with different holmium doping contents were synthesized by conventional solid state reaction. The effect of holmium doping on the microstructure, structural and dielectric behaviors of BHTFO ceramics were investigated in details. Microstructure and crystalline structure studies of ceramics were carried out at room temperature while dielectric properties were investigated in a wide range of temperature (T = 25ºC-550ºC) and frequency (20Hz-1MHz).
    Źródło:
    Archives of Metallurgy and Materials; 2021, 66, 1; 91-96
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Correlation Between Structure, Microstructure and Dielectric Properties of Bi7Fe3Ti3O21 Ceramics Obtained in Different Conditions
    Autorzy:
    Szalbot, D.
    Bartkowska, J. A.
    Feliksik, K.
    Bara, M.
    Chrunik, M.
    Adamczyk-Habrajska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/356042.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    multiferroic materials
    Aurivillius phases
    Bi7Fe3Ti3O21
    dielectric properties
    Opis:
    Multiferroic six-layer Aurivillius type Bi7Fe3Ti3O21 ceramics was obtained by conventional mixed oxides method. The final sintering process was taken in several different sintering times, which determined changes in properties of discussed ceramic material. The structure and dielectric properties of the material are reported. In order to examine the technological conditions on the crystal structure, XRD analysis was carried out. The microstructure, as well as the quantitative and qualitative analysis of the chemical composition were investigated by scanning electron microscope with an energy dispersion spectrometer. The main purpose of the paper is to present the effect of sintering time on the microstructure, crystallographic structure and dielectric properties of Bi7Fe3Ti3O21 ceramics.
    Źródło:
    Archives of Metallurgy and Materials; 2020, 65, 2; 879-884
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of Lanthanum Dopant on the Structure and Electric Properties of BaBi2Nb2O9 Ceramics
    Autorzy:
    Adamczyk-Habrajska, M.
    Goryczka, T.
    Szalbot, D.
    Dzik, J.
    Rerak, M.
    Bochenek, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/353535.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    ferroelectric relaxor
    ceramics
    impedance spectroscopy
    Opis:
    The paper reports the consequences of lanthanum modifications of barium bismuth niobiate (BaBi2 Nb2 O9) ceramics. The discussed materials were prepared by solid state synthesis and a one-step sintering process. The investigations are focused on dielectric aspects of the modification. The presented results reveal that the trivalent lanthanum ions incorporate twovalent barium ions, which is connected with the creation of A-site cationic vacancies as well as oxygen vacancies. Such a scenario results in significant decreasing in grain boundaries resistivity. The activation energy of grain boundaries conductivity is significantly reduced in the case of lanthanum admixture.
    Źródło:
    Archives of Metallurgy and Materials; 2020, 65, 1; 207-214
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Hot Pressed K0.5Na0.5NbO3 Material for Piezoelectric Transformer for Energy Harvesting
    Autorzy:
    Kozielski, L.
    Feliksik, K.
    Wodecka-Duś, B.
    Szalbot, D.
    Tutu, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/353060.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    energy harvesting
    piezoelectric effect
    piezoelectric transformer
    piezoelectric properties
    Opis:
    An optimized method of vibration Energy Harvesting is based on a step-down transformer that regulates the power flow from the piezoelectric element to the desired electronic load. Taking into account parameters of the whole system, the “optimal” voltage gain the piezoelectric transformer can be determined where the harvested power is maximized for the actual level of mechanical excitation. Consequently the piezoelectric transformers can be used to boost up the conversion of mechanical strain into electrical power with considerable potential in Energy Harvesting applications. Nowadays however, the most important factor is usage of lead free material for its construction. Additional desired parameters of such ceramics include high value of piezoelectric coefficients, low dielectric losses and reasonable power density. This work for first time proposes a lead free K0.5Na0.5NbO3 (KNN) material implementation for stack type of piezoelectric transformer that is designed for load efficiency optimization of vibration energy harvester.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 3; 1275-1280
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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