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Intrinsic electrocaloric effects in ferroelectric poly(vinylidene fluoride-trifluoroethylene) copolymers: Roles of order of phase transition and stresses
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10.1063/1.3353989
/content/aip/journal/apl/96/10/10.1063/1.3353989
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/10/10.1063/1.3353989

Figures

Image of FIG. 1.
FIG. 1.

Temperature dependencies of polarization for P (VDF-TrFE) (65/35) bulk at zero field (a) where the arrow labels the , and applied fields (b) where the step is . The hysteresis loops at 300 K (c) with dashed line for P (VDF-TrFE) (65/35) and solid line for P (VDF-TrFE) (55/45), where the arrows mark the direction of electric-field changes.

Image of FIG. 2.
FIG. 2.

Temperature dependencies of excess specific heat capacity of system for bulk P(VDF-TrFE) (65/35) (a) and (55/45) (c). The temperature dependencies of isothermal entropy change for bulk P(VDF-TrFE) (65/35) (b) and (55/45) (d). The arrows indicate the electric field increasing and the step is . Inset: the temperature dependence of isothermal entropy change for bulk P(VDF-TrFE) (55/45) at applied electric-field changes from 0 to .

Image of FIG. 3.
FIG. 3.

Temperature dependencies of isothermal entropy change for bulk P(VDF-TrFE) (65/35) and its films.

Tables

Generic image for table
Table I.

Data for P(VDF-TrFE) copolymers.

Generic image for table
Table II.

ECE properties of P(VDF-TrFE) copolymers ( : 300 to ).

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/content/aip/journal/apl/96/10/10.1063/1.3353989
2010-03-09
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Intrinsic electrocaloric effects in ferroelectric poly(vinylidene fluoride-trifluoroethylene) copolymers: Roles of order of phase transition and stresses
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/10/10.1063/1.3353989
10.1063/1.3353989
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