Investigation of La3+ Doping Effect on Piezoelectric Coefficients of BLT Ceramics

• Autorzy: Wodecka-Dus B. , Kozielski L. , Erhart J. , Pawełczyk M. , Radoszewska D. , Adamczyk M. , Bochenek D.

Identyfikatory

DOI

10.1515/amm-2017-0103

• Języki publikacji: EN

Abstrakty

EN

Effects of La³⁺ admixture in barium lanthanum titanate (BLT) ceramics system with colossal permittivity on performance of prospective piezoelectric cold plasma application were studied. Usage of cold atmospheric pressure plasma appears promising in terms of industrial and healthcare applications. Performed investigation provide consistent evaluation of doping lanthanum amount on piezoelectric coefficients values with simultaneous capability of charge accumulation for effective plasma generation. Modification of ferroelectric materials with heterovalent ions, however with the lower radii than the original atoms, significantly affects their domain mobility and consequently electromechanical properties. To determine the piezoelectric coefficients, the resonanceantiresonance method was implemented, and values of piezoelectric and dielectric parameters were recorded. Finally the results indicated that addition of 0.4 mol.% of La³⁺ ions to the ceramic structure maximally increased the values of piezoelectric coefficient to d₃₃ = 20 pC/N and to huge dielectric constant to ε₃₃^T = 29277.

Słowa kluczowe

EN

BLT; piezoelectric coefficients; Lead-free piezoelectric ceramics

• 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: 2017
• Tom: Vol. 62, iss. 2A
• Strony: 691--696
• Opis fizyczny: Bibliogr. 10 poz., rys., tab.

Twórcy

autor

Wodecka-Dus B.

• Institute of Technology and Mechatronics, University of Silesia, 12 Zytnia Str., 41-200 Sosnowiec, Poland

autor

Kozielski L.

• Institute of Technology and Mechatronics, University of Silesia, 12 Zytnia Str., 41-200 Sosnowiec, Poland

autor

Erhart J.

• Technical University of Liberec, 2 Studentska Str., Cz-461 17 Liberec Czech Republic

autor

Pawełczyk M.

• Wyższa Szkoła Technologii Informatycznych, ul. Mickiewicza 29, Katowice, Poland

autor

Radoszewska D.

• Institute of Technology and Mechatronics, University of Silesia, 12 Zytnia Str., 41-200 Sosnowiec, Poland

autor

Adamczyk M.

• Institute of Technology and Mechatronics, University of Silesia, 12 Zytnia Str., 41-200 Sosnowiec, Poland

autor

Bochenek D.

• Institute of Technology and Mechatronics, University of Silesia, 12 Zytnia Str., 41-200 Sosnowiec, Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).