Abstract
A new anisotropic 1–3-type composite with high piezoelectric sensitivity is put forward, and trends in increasing the effective parameters characterising piezoelectric sensitivity are analysed. Effective piezoelectric coefficients and , squared figure of merit and related hydrostatic parameters , and are studied within the framework of the proposed model of the ferroelectric ceramic/porous polymer composite with 1–3–0 connectivity. Effects of porosity, microgeometry of pores and their orientation on the aforementioned piezoelectric coefficients and figures of merit of the 1–3–0 composite are studied to show its piezoelectric performance and high piezoelectric sensitivity. A comparison of the effective parameters to those known for the related 1–3-type composites based on ferroelectric ceramics is carried out, and some advantages concerning high piezoelectric sensitivity of the studied 1–3–0 composite are emphasised.
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