Transition from relaxor to ferroelectric-like phase in poly(vinylideneflouride-trifluoroethylene-chloroflouroethylene) terpolymer ultrathin films

J. L. Wang; S. Z. Yuan; L. Tian; X. J. Meng; J. L. Sun; J. H. Chu

doi:10.1063/1.3551732

Transition from relaxor to ferroelectric-like phase in poly(vinylideneflouride-trifluoroethylene-chloroflouroethylene) terpolymer ultrathin films

J. L. Wang, S. Z. Yuan, L. Tian, X. J. Meng, J. L. Sun, J. H. Chu

CAS - Shanghai Institute of Technical Physics

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

15 Scopus citations

Abstract

The poly(vinylidenefluoride-trifluoroethylene-chlorofluoroethylene) terpolymer (56.2/36.3/7.5, mol %) films from 1.6 to 10 nm in thickness were prepared by the Langmuir-Blodgett method. The dielectric and ferroelectric properties of the terpolymer films were investigated. The phase transition of the films of less 3.2 nm in thickness exhibits a ferroelectric-like nature, which is inconsistent with the bulk terpolymers. The peak of the permittivity is at ∼360 K, which is much higher than the thick terpolymer films and it is independent on frequency. Both polarization-electric field and capacitance-voltage curves show a ferroelectric-like characteristic, which is confirmed by piezoresponse force microscopy, suggesting the presence of all-trans molecular conformation.

Original language	English
Article number	052906
Journal	Applied Physics Letters
Volume	98
Issue number	5
DOIs	https://doi.org/10.1063/1.3551732
State	Published - 31 Jan 2011
Externally published	Yes

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title = "Transition from relaxor to ferroelectric-like phase in poly(vinylideneflouride-trifluoroethylene-chloroflouroethylene) terpolymer ultrathin films",

abstract = "The poly(vinylidenefluoride-trifluoroethylene-chlorofluoroethylene) terpolymer (56.2/36.3/7.5, mol \%) films from 1.6 to 10 nm in thickness were prepared by the Langmuir-Blodgett method. The dielectric and ferroelectric properties of the terpolymer films were investigated. The phase transition of the films of less 3.2 nm in thickness exhibits a ferroelectric-like nature, which is inconsistent with the bulk terpolymers. The peak of the permittivity is at ∼360 K, which is much higher than the thick terpolymer films and it is independent on frequency. Both polarization-electric field and capacitance-voltage curves show a ferroelectric-like characteristic, which is confirmed by piezoresponse force microscopy, suggesting the presence of all-trans molecular conformation.",

author = "Wang, \{J. L.\} and Yuan, \{S. Z.\} and L. Tian and Meng, \{X. J.\} and Sun, \{J. L.\} and Chu, \{J. H.\}",

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doi = "10.1063/1.3551732",

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T1 - Transition from relaxor to ferroelectric-like phase in poly(vinylideneflouride-trifluoroethylene-chloroflouroethylene) terpolymer ultrathin films

AU - Wang, J. L.

AU - Yuan, S. Z.

AU - Tian, L.

AU - Meng, X. J.

AU - Sun, J. L.

AU - Chu, J. H.

PY - 2011/1/31

Y1 - 2011/1/31

N2 - The poly(vinylidenefluoride-trifluoroethylene-chlorofluoroethylene) terpolymer (56.2/36.3/7.5, mol %) films from 1.6 to 10 nm in thickness were prepared by the Langmuir-Blodgett method. The dielectric and ferroelectric properties of the terpolymer films were investigated. The phase transition of the films of less 3.2 nm in thickness exhibits a ferroelectric-like nature, which is inconsistent with the bulk terpolymers. The peak of the permittivity is at ∼360 K, which is much higher than the thick terpolymer films and it is independent on frequency. Both polarization-electric field and capacitance-voltage curves show a ferroelectric-like characteristic, which is confirmed by piezoresponse force microscopy, suggesting the presence of all-trans molecular conformation.

AB - The poly(vinylidenefluoride-trifluoroethylene-chlorofluoroethylene) terpolymer (56.2/36.3/7.5, mol %) films from 1.6 to 10 nm in thickness were prepared by the Langmuir-Blodgett method. The dielectric and ferroelectric properties of the terpolymer films were investigated. The phase transition of the films of less 3.2 nm in thickness exhibits a ferroelectric-like nature, which is inconsistent with the bulk terpolymers. The peak of the permittivity is at ∼360 K, which is much higher than the thick terpolymer films and it is independent on frequency. Both polarization-electric field and capacitance-voltage curves show a ferroelectric-like characteristic, which is confirmed by piezoresponse force microscopy, suggesting the presence of all-trans molecular conformation.

UR - https://www.scopus.com/pages/publications/79951498501

U2 - 10.1063/1.3551732

DO - 10.1063/1.3551732

M3 - 文章

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SN - 0003-6951

VL - 98

JO - Applied Physics Letters

JF - Applied Physics Letters

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ER -

Transition from relaxor to ferroelectric-like phase in poly(vinylideneflouride-trifluoroethylene-chloroflouroethylene) terpolymer ultrathin films

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