Quantitative analysis of structural, relaxational and electrostrictive properties of PVDF-TRFE/PMMA films irradiated with high-energy electrons

Vivek Bharti; H. Xu; Z. Y. Cheng; T. Mai; Q. M. Zhang

doi:10.1109/94.946729

Quantitative analysis of structural, relaxational and electrostrictive properties of PVDF-TRFE/PMMA films irradiated with high-energy electrons

Vivek Bharti, H. Xu, Z. Y. Cheng, T. Mai, Q. M. Zhang

Electrical Engineering

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

18 Scopus citations

Abstract

In this paper, the effect of high-energy electron irradiation on the transitional and electromechanical responses of PVDF-TRFE/PMMA (poly (vinylidene fluoride-trifluoroethylene)/ polymethylmethacrylate) blend films is investigated in the light of a recent finding of large electrostrictive strain and high electromechanical response of PVDF-TRFE copolymer films after high-energy electron irradiation. Due to the decrease in crystallinity, both the dielectric and polarization responses were found to decrease with PMMA content. Interestingly, the presence of PMMA is found to affect the crystal-amorphous interface properties strongly in irradiated polyblend films. The field-induced strain which could be due to electrostriction and Maxwell stress for a blend system is found to come mainly from electrostriction. At room temperature, the contribution to the total strain from the Maxwell stress is found to be <20% while this contribution increases markedly with increasing temperature, especially for 7%wt PMMA polyblend films.

Original language	English (US)
Pages (from-to)	718-724
Number of pages	7
Journal	IEEE Transactions on Dielectrics and Electrical Insulation
Volume	8
Issue number	4
DOIs	https://doi.org/10.1109/94.946729
State	Published - Aug 2001

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Electrical and Electronic Engineering

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@article{c0fd539588cf407c83d03a0dc83a7028,

title = "Quantitative analysis of structural, relaxational and electrostrictive properties of PVDF-TRFE/PMMA films irradiated with high-energy electrons",

abstract = "In this paper, the effect of high-energy electron irradiation on the transitional and electromechanical responses of PVDF-TRFE/PMMA (poly (vinylidene fluoride-trifluoroethylene)/ polymethylmethacrylate) blend films is investigated in the light of a recent finding of large electrostrictive strain and high electromechanical response of PVDF-TRFE copolymer films after high-energy electron irradiation. Due to the decrease in crystallinity, both the dielectric and polarization responses were found to decrease with PMMA content. Interestingly, the presence of PMMA is found to affect the crystal-amorphous interface properties strongly in irradiated polyblend films. The field-induced strain which could be due to electrostriction and Maxwell stress for a blend system is found to come mainly from electrostriction. At room temperature, the contribution to the total strain from the Maxwell stress is found to be <20% while this contribution increases markedly with increasing temperature, especially for 7%wt PMMA polyblend films.",

author = "Vivek Bharti and H. Xu and Cheng, {Z. Y.} and T. Mai and Zhang, {Q. M.}",

note = "Funding Information: This work was supported by the National Science Foundation under Grant no. ECS-9710459, by the Office of Naval Research under Grant no. N00014-97-1-0900, and by DARPA under grant no. N00173-99-C-2003.",

year = "2001",

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language = "English (US)",

volume = "8",

pages = "718--724",

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T1 - Quantitative analysis of structural, relaxational and electrostrictive properties of PVDF-TRFE/PMMA films irradiated with high-energy electrons

AU - Bharti, Vivek

AU - Xu, H.

AU - Cheng, Z. Y.

AU - Mai, T.

AU - Zhang, Q. M.

N1 - Funding Information: This work was supported by the National Science Foundation under Grant no. ECS-9710459, by the Office of Naval Research under Grant no. N00014-97-1-0900, and by DARPA under grant no. N00173-99-C-2003.

PY - 2001/8

Y1 - 2001/8

N2 - In this paper, the effect of high-energy electron irradiation on the transitional and electromechanical responses of PVDF-TRFE/PMMA (poly (vinylidene fluoride-trifluoroethylene)/ polymethylmethacrylate) blend films is investigated in the light of a recent finding of large electrostrictive strain and high electromechanical response of PVDF-TRFE copolymer films after high-energy electron irradiation. Due to the decrease in crystallinity, both the dielectric and polarization responses were found to decrease with PMMA content. Interestingly, the presence of PMMA is found to affect the crystal-amorphous interface properties strongly in irradiated polyblend films. The field-induced strain which could be due to electrostriction and Maxwell stress for a blend system is found to come mainly from electrostriction. At room temperature, the contribution to the total strain from the Maxwell stress is found to be <20% while this contribution increases markedly with increasing temperature, especially for 7%wt PMMA polyblend films.

AB - In this paper, the effect of high-energy electron irradiation on the transitional and electromechanical responses of PVDF-TRFE/PMMA (poly (vinylidene fluoride-trifluoroethylene)/ polymethylmethacrylate) blend films is investigated in the light of a recent finding of large electrostrictive strain and high electromechanical response of PVDF-TRFE copolymer films after high-energy electron irradiation. Due to the decrease in crystallinity, both the dielectric and polarization responses were found to decrease with PMMA content. Interestingly, the presence of PMMA is found to affect the crystal-amorphous interface properties strongly in irradiated polyblend films. The field-induced strain which could be due to electrostriction and Maxwell stress for a blend system is found to come mainly from electrostriction. At room temperature, the contribution to the total strain from the Maxwell stress is found to be <20% while this contribution increases markedly with increasing temperature, especially for 7%wt PMMA polyblend films.

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Quantitative analysis of structural, relaxational and electrostrictive properties of PVDF-TRFE/PMMA films irradiated with high-energy electrons

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