Modelling of Dielectric Properties of BiNbO4-Based Microwave Ceramics

• Autorzy: Czekaj D. , Lisińska-Czekaj A. , Garbarz-Glos B. , Bąk W.

Identyfikatory

DOI

10.24425/amm.2020.133236

• Języki publikacji: EN

Abstrakty

EN

In the present paper results of the studies devoted to computer simulations of dielectric response of electroceramics in a frequency domain as well as analysis of the experimental data are given. As an object of investigations BiNbO₄-based microwave ceramics was taken. Simulations of the hypothetical impedance response of the ceramic system were performed under assumption of the brick-layer model. A strategy for analysis and modelling of the impedance data for microwave electroceramics was discussed. On the base of the discussed strategy modelling of the dielectric response of BiNbO₄ ceramics was performed with the electric equivalent circuit method. The Voigt’s and Maxwell’s circuits were taken as electric models. Parameters of the electric components of the circuits were determined and related to parameters of the ceramic object under study. It was found that fitting quality was good and changed within the range χ² = 6.78 × 10^-4 – 6.77 × 10^-5 depending on the model.

Słowa kluczowe

EN

BiNbO4 ceramics; impedance spectroscopy; simulation and modelling; quivalent electric circuit method

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2020
• Tom: Vol. 65, iss. 3
• Strony: 1177--1181
• Opis fizyczny: Bibliogr. 24 poz., rys., tab.

Twórcy

autor

Czekaj D.

• Gdańsk University of Technology, Faculty of Mechanical Engineering, Department of Materials Engineering and Welding, 11/12, Narutowicza Str., Gdańsk, 80-233, Poland

autor

Lisińska-Czekaj A.

• Gdańsk University of Technology, Faculty of Mechanical Engineering, Department of Materials Engineering and Welding, 11/12, Narutowicza Str., Gdańsk, 80-233, Poland

autor

Garbarz-Glos B.

• Pedagogical University of Cracow, Institute of Technology, 2 Podchorążych Str., 30-084 Kraków, Poland

autor

Bąk W.

• Pedagogical University of Cracow, Institute of Technology, 2 Podchorążych Str., 30-084 Kraków, Poland

Bibliografia

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Uwagi

EN

1. The present research has been supported by Polish National Science Centre (NCN) as a research project N N507 218540.

PL

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).