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Thick film polymer-ceramic composites for pyroelectric applications
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Image of FIG. 1.
FIG. 1.

Back-scattered (BS) scanning electron microscopy (SEM) micrograph of the surface of a composite with PZ21.

Image of FIG. 2.
FIG. 2.

BSE-SEM image of the cross section of a composite with of PZ21 particles.

Image of FIG. 3.
FIG. 3.

Dielectric constant (filled symbols) of composites and (open symbols) of pure polymer and composites with of PZ21 particles as a function of temperature at .

Image of FIG. 4.
FIG. 4.

Dielectric constant of composites at as a function of ceramic volume content. The results are compared to two analytical models (Bruggeman and Maxwell-Wagner) and a numerical model.

Image of FIG. 5.
FIG. 5.

Pyroelectric coefficient as a function of ceramic volume content.

Image of FIG. 6.
FIG. 6.

Pyroelectric voltage as a function of laser modulation frequency for two composites, with 10 and ceramic content.

Image of FIG. 7.
FIG. 7.

Modulus of effective charge coefficient of the composites as a function of ceramic volume content.


Generic image for table
Table I.

Volumetric specific heat and dielectric and pyroelectric properties of the composite films investigated. The results of a PZT thick film from literature are also shown.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Thick film polymer-ceramic composites for pyroelectric applications