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Direct characterization of the electrocaloric effects in thin films supported on substrates
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10.1063/1.4816333
/content/aip/journal/apl/103/4/10.1063/1.4816333
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/4/10.1063/1.4816333
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Cross section of a sample and (b) experimental setup for the characterization of the electrocaloric effects in thin films.

Image of FIG. 2.
FIG. 2.

Representative experimentally measured and numerically simulated temporal temperature profiles. A voltage pulse was applied between 0 and 0.1 s to apply an electric field of 80 MV/m across the EC film.

Image of FIG. 3.
FIG. 3.

Normalized voltage changes measured across the two different resistance thermometers with different temperature coefficients of resistance (Au and W). In the absence of any appreciable electric or electromagnetic coupling, the normalized voltage change is proportional to the electrical resistance, which is in turn proportional to the temperature change.

Image of FIG. 4.
FIG. 4.

Adiabatic EC temperature changes in response to the removal (cooling) of an electric field across the EC terpolymer thin film as a function of the electric field amplitude. The values extracted by analyzing the temporal temperature profiles using the 3D heat diffusion analyses are shown as the inverted triangles. Also shown for reference are the values reported in the literature for terpolymer films of similar compositions.

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/content/aip/journal/apl/103/4/10.1063/1.4816333
2013-07-23
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Direct characterization of the electrocaloric effects in thin films supported on substrates
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/4/10.1063/1.4816333
10.1063/1.4816333
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