Abstract
We have analyzed the experimental concentration dependences of the permittivity ʵ *σ33 (m FC) and the piezoelectric coefficient d *33 (m FC) of 0–3 connectivity composites comprising ferroelectric ceramic inclusions with a volume fraction m FC dispersed in a piezoactive or piezopassive polymer matrix. Both concentration dependences at 0.1 < m FC ≤ 0.6 can be interpreted within the framework of a new model of the 0–3 composite representing two systems of inclusions—spherical and cylindrical (elongated in the polarization axis direction). It is established that the elongated inclusions determine to a considerable extent the piezoelectric and dielectric properties of the 0–3 composites of the Pb(Zr,Ti)O3-based ferroelectric ceramics-polymer type with m FC ≥ 0.2.
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 31, No. 8, 2005, pp. 67–73.
Original Russian Text Copyright © 2005 by Glushanin, Topolov.
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Glushanin, S.V., Topolov, V.Y. Features of the electromechanical properties of 0–3 composites of the Pb(Zr,Ti)O3-based ferroelectric ceramics-polymer type. Tech. Phys. Lett. 31, 346–348 (2005). https://doi.org/10.1134/1.1920393
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DOI: https://doi.org/10.1134/1.1920393