Enhanced dielectric and ferroelectric properties in the artificial polymer multilayers

X. L. Zhao; J. L. Wang; B. L. Liu; B. B. Tian; Y. H. Zou; S. Sun; J. L. Sun; X. J. Meng; J. H. Chu

doi:10.1063/1.4866441

Enhanced dielectric and ferroelectric properties in the artificial polymer multilayers

X. L. Zhao
, J. L. Wang
, B. L. Liu
, B. B. Tian
, Y. H. Zou
, S. Sun
, J. L. Sun
, X. J. Meng
, J. H. Chu

CAS - Shanghai Institute of Technical Physics

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

Multilayers consisting of alternating ferroelectric poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE)) copolymer and relaxor poly(vinylidene fluoride-trifluoroethylene-chlorofloroethylene) (P(VDF-TrFE-CFE)) terpolymer with different periodicities in thickness were prepared. A superlattice-like structure is shown in the polymer multilayer as the periodic thickness is lower than a critical value. The dielectric constant of the multilayer with a small periodic thickness is two times higher than that of the P(VDF-TrFE) copolymer over a temperature range between 300 K and 350 K. The multilayer also shows a good ferroelectricity in the same temperature range. The enhanced electrical properties of the multilayers are due to the long-range ferroelectric coupling.

Original language	English
Article number	082903
Journal	Applied Physics Letters
Volume	104
Issue number	8
DOIs	https://doi.org/10.1063/1.4866441
State	Published - 24 Feb 2014
Externally published	Yes

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Cite this

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title = "Enhanced dielectric and ferroelectric properties in the artificial polymer multilayers",

abstract = "Multilayers consisting of alternating ferroelectric poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE)) copolymer and relaxor poly(vinylidene fluoride-trifluoroethylene-chlorofloroethylene) (P(VDF-TrFE-CFE)) terpolymer with different periodicities in thickness were prepared. A superlattice-like structure is shown in the polymer multilayer as the periodic thickness is lower than a critical value. The dielectric constant of the multilayer with a small periodic thickness is two times higher than that of the P(VDF-TrFE) copolymer over a temperature range between 300 K and 350 K. The multilayer also shows a good ferroelectricity in the same temperature range. The enhanced electrical properties of the multilayers are due to the long-range ferroelectric coupling.",

author = "Zhao, \{X. L.\} and Wang, \{J. L.\} and Liu, \{B. L.\} and Tian, \{B. B.\} and Zou, \{Y. H.\} and S. Sun and Sun, \{J. L.\} and Meng, \{X. J.\} and Chu, \{J. H.\}",

year = "2014",

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doi = "10.1063/1.4866441",

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T1 - Enhanced dielectric and ferroelectric properties in the artificial polymer multilayers

AU - Zhao, X. L.

AU - Wang, J. L.

AU - Liu, B. L.

AU - Tian, B. B.

AU - Zou, Y. H.

AU - Sun, S.

AU - Sun, J. L.

AU - Meng, X. J.

AU - Chu, J. H.

PY - 2014/2/24

Y1 - 2014/2/24

N2 - Multilayers consisting of alternating ferroelectric poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE)) copolymer and relaxor poly(vinylidene fluoride-trifluoroethylene-chlorofloroethylene) (P(VDF-TrFE-CFE)) terpolymer with different periodicities in thickness were prepared. A superlattice-like structure is shown in the polymer multilayer as the periodic thickness is lower than a critical value. The dielectric constant of the multilayer with a small periodic thickness is two times higher than that of the P(VDF-TrFE) copolymer over a temperature range between 300 K and 350 K. The multilayer also shows a good ferroelectricity in the same temperature range. The enhanced electrical properties of the multilayers are due to the long-range ferroelectric coupling.

AB - Multilayers consisting of alternating ferroelectric poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE)) copolymer and relaxor poly(vinylidene fluoride-trifluoroethylene-chlorofloroethylene) (P(VDF-TrFE-CFE)) terpolymer with different periodicities in thickness were prepared. A superlattice-like structure is shown in the polymer multilayer as the periodic thickness is lower than a critical value. The dielectric constant of the multilayer with a small periodic thickness is two times higher than that of the P(VDF-TrFE) copolymer over a temperature range between 300 K and 350 K. The multilayer also shows a good ferroelectricity in the same temperature range. The enhanced electrical properties of the multilayers are due to the long-range ferroelectric coupling.

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U2 - 10.1063/1.4866441

DO - 10.1063/1.4866441

M3 - 文章

AN - SCOPUS:84896789596

SN - 0003-6951

VL - 104

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 8

M1 - 082903

ER -

Enhanced dielectric and ferroelectric properties in the artificial polymer multilayers

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