DOI: 10.1063/1.3077189. Electrocaloric effect of the relaxor ferroelectric poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) terpolymer

Electrocaloric effect of the relaxor ferroelectric poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) terpolymer

10.1063/1.3077189

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We investigate the temperature dependence of the electrocaloric effect in a relaxor ferroelectric poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) terpolymer and show that the isothermal entropy change ΔS is proportional to the square of the electric displacement D (ΔS=−1/2βΔD2) and the coefficient β increases with temperature. This temperature dependent behavior of β is caused by the ferroelectric relaxor nature of the polymer in which the polarization response from the nanopolar regions does not generate much entropy change. Consequently, the electrocaloric effect in the relaxor ferroelectric terpolymer is smaller than that in the normal ferroelectric copolymer.

Bibliography

Neese, B., Lu, S. G., Chu, B., & Zhang, Q. M. (2009). Electrocaloric effect of the relaxor ferroelectric poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) terpolymer. Applied Physics Letters, 94(4).

Authors 4

Bret Neese (first)
S. G. Lu (additional)
Baojin Chu (additional)
Q. M. Zhang (additional)

References 12 Referenced 90

10.1080/00150198108223496 / Ferroelectrics (1981)
10.1080/00150199208223433 / Ferroelectrics (1992)
10.1126/science.1123811 / Science (2006)
10.1063/1.2750546 / Appl. Phys. Lett. (2007)
10.1126/science.1159655 / Science (2008)
10.1201/9781482295450 / Ferroelectric Polymers by Nalwa (1995)
10.1063/1.1733022 / J. Chem. Phys. (1962)
10.1021/j100325a042 / J. Phys. Chem. (1988)
10.1016/S0040-6031(96)03126-7 / Thermochim. Acta (1997)
10.1103/PhysRevB.57.8166 / Phys. Rev. B (1998)
{'first-page': '148', 'volume-title': 'Principles and Applications of Ferroelectrics and Related Materials', 'year': '1977', 'key': '2023070222103718300_c11'} / Principles and Applications of Ferroelectrics and Related Materials (1977)
10.1103/PhysRev.131.2023 / Phys. Rev. (1963)

Dates

Type	When
Created	16 years, 7 months ago (Feb. 2, 2009, 2:01 p.m.)
Deposited	2 years, 2 months ago (July 2, 2023, 6:10 p.m.)
Indexed	1 month ago (July 30, 2025, 6:52 a.m.)
Issued	16 years, 7 months ago (Jan. 26, 2009)
Published	16 years, 7 months ago (Jan. 26, 2009)
Published Online	16 years, 7 months ago (Jan. 30, 2009)
Published Print	16 years, 7 months ago (Jan. 26, 2009)

Funders 0

None

BibTeX

@article{Neese_2009, title={Electrocaloric effect of the relaxor ferroelectric poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) terpolymer}, volume={94}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.3077189}, DOI={10.1063/1.3077189}, number={4}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Neese, Bret and Lu, S. G. and Chu, Baojin and Zhang, Q. M.}, year={2009}, month=jan }

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