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Proceedings of the Estonian Academy of Sciences

ISSN 1736-7530 (electronic)   ISSN 1736-6046 (print)
Formerly: Proceedings of the Estonian Academy of Sciences, series Physics & Mathematics and  Chemistry
Published since 1952

Proceedings of the Estonian Academy of Sciences

ISSN 1736-7530 (electronic)   ISSN 1736-6046 (print)
Formerly: Proceedings of the Estonian Academy of Sciences, series Physics & Mathematics and  Chemistry
Published since 1952
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Influence of uniaxial pressure on dielectric properties of (1-x)Na0.5Bi0.5TiO3–xSrTiO3 for x = 0.01, 0.04, and 0.1 ceramics; pp. 396–402

(Full article in PDF format) https://doi.org/10.3176/proc.2017.4.20


Authors

Piotr Czaja, Jan Suchanicz, Kamila Kluczewska, Dorota Sitko, Erazm Maria Dutkiewicz, Krzysztof Konieczny, Adrian Węgrzyn, Maija Antonova, Andris Sternberg

Abstract

The conventional solid-state sintering was applied to synthesized (1-x)Na0.5Bi0.5TiO3xSrTiO3 (x = 0.01, 0.04, and 0.1) ceramics. Dielectric measurements of these ceramics were taken in the temperature range from 20 to 600 °C, in the frequency range from 1 kHz to 2 MHz and under uniaxial pressure ranging from 10 to 1100 bar. The study of the dielectric behaviour showed that the influence of uniaxial pressure on the investigated properties was considerable. The peaks em gradually decreased and shifted towards lower temperatures with an increase of uniaxial pressure for all samples. The first effect developed with an increase of the strontium ion concentration. Experimental results revealed most interesting properties of the material in the context of its potential applications.

Keywords

perovskite, ferroelectric materials, dielectric spectroscopy, uniaxial pressure.

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Current Issue: Vol. 67, Issue 3 in Press, 2018




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