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Local ferroelectric properties in polyvinylidene fluoride/barium lead zirconate titanate nanocomposites: Interface effect
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10.1063/1.4824463
/content/aip/journal/jap/114/14/10.1063/1.4824463
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/14/10.1063/1.4824463

Figures

Image of FIG. 1.
FIG. 1.

Topography images of the pureP(VDF-TrFE) copolymer (a) and P(VDF-TrFE) + 50 PBZT composite (b) films.

Image of FIG. 2.
FIG. 2.

Topography (a), vertical PFM (b), and lateral PFM images (c) of the composite P(VDF-TrFE) + 50 BPZT film. (d) Vertical (open circles) and lateral (blue line) PFM signal profiles across the interface between a BPZT particle (perimeter of the particle is shown by the grey line in Figs. 2(a)–2(c) ) and the copolymer matrix along the line shown in the panels band c. The solid line (red) shows the best fit of the vertical PFM signal by Eq. (1) .

Image of FIG. 3.
FIG. 3.

Scheme of 2D-stressed region in PVDF (dashed contour) in dependence on the distance from the BPZT ceramic inclusions (red circles).

Image of FIG. 4.
FIG. 4.

Polarization (a) and susceptibility (b) profiles across the PVDF/BPZT boundary. Vertical (c) and lateral (d) piezoelectric response profiles across the PVDF/BPZT boundary calculated vs. relative distance for different probe sizes (labels near the curves), where nm and , , and .

Tables

Generic image for table
Table I.

LGD parameters of P(VDF-TrFE) 70/30.

Generic image for table
Table II.

Free energy parameters for bulk ferroelectric PbZrTiO at 25 °C (from Refs. 58 and 59 ).

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/content/aip/journal/jap/114/14/10.1063/1.4824463
2013-10-07
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Local ferroelectric properties in polyvinylidene fluoride/barium lead zirconate titanate nanocomposites: Interface effect
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/14/10.1063/1.4824463
10.1063/1.4824463
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