Journal
APPLIED PHYSICS LETTERS
Volume 105, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4890676
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Funding
- Defense Advanced Research Projects Agency (DARPA)
- U.S. Army Aviation and Missile Research, Development, and Engineering Center (AMRDEC) [W31P4Q-10-1-0015]
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The electrocaloric effect in thin films of a poly(vinylidene fluoride-trifluoroethylene chlorofluoroethylene) terpolymer (62.6/29.4/8 mol. %, 11-12 mu m thick) is directly measured by infrared imaging at ambient conditions. The adiabatic temperature change is estimated to be 5.2K for an applied electric field of 90 V/mu m. The temperature change is independent of the operating frequency in the range of 0.03-0.3 Hz and is stable over a testing period of 30 min. Application of this terpolymer is promising for micro-scale refrigeration. (C) 2014 AIP Publishing LLC.
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