Direct piezoelectric response of piezopolymer polyvinylidene fluoride under high mechanical strain and stress

Yong Wang; Kailiang Ren; Q. M. Zhang

doi:10.1063/1.2819531

Direct piezoelectric response of piezopolymer polyvinylidene fluoride under high mechanical strain and stress

Yong Wang, Kailiang Ren, Q. M. Zhang

Electrical Engineering

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

35 Scopus citations

Abstract

We show that the nonlinear piezoelectric response of polyvinylidene fluoride (PVDF) exhibits quite different behavior compared with the piezoceramics. Instead of increasing linearly with the stress amplitude Tac, d31 coefficient raises with Tac2. Furthermore, the nonlinear effect does not set in until the strain increases beyond 0.3%, indicating very strong barriers to the domain wall motions in PVDF. The electromechanical coupling factor k31 also exhibits an increase with stress. Furthermore, the piezopolymer can withstand more than 3% strain without degrading the piezoelectric responses.

Original language	English (US)
Article number	222905
Journal	Applied Physics Letters
Volume	91
Issue number	22
DOIs	https://doi.org/10.1063/1.2819531
State	Published - 2007

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.2819531

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title = "Direct piezoelectric response of piezopolymer polyvinylidene fluoride under high mechanical strain and stress",

abstract = "We show that the nonlinear piezoelectric response of polyvinylidene fluoride (PVDF) exhibits quite different behavior compared with the piezoceramics. Instead of increasing linearly with the stress amplitude Tac, d31 coefficient raises with Tac2. Furthermore, the nonlinear effect does not set in until the strain increases beyond 0.3%, indicating very strong barriers to the domain wall motions in PVDF. The electromechanical coupling factor k31 also exhibits an increase with stress. Furthermore, the piezopolymer can withstand more than 3% strain without degrading the piezoelectric responses.",

author = "Yong Wang and Kailiang Ren and Zhang, {Q. M.}",

note = "Funding Information: The authors wish to thank Dr. John Blottman for many stimulating discussions. The financial support of this work by Naval Undersea Warfare Center at RI under the Grant No. N66604-07-1-2678 is greatly appreciated. ",

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AU - Wang, Yong

AU - Ren, Kailiang

AU - Zhang, Q. M.

N1 - Funding Information: The authors wish to thank Dr. John Blottman for many stimulating discussions. The financial support of this work by Naval Undersea Warfare Center at RI under the Grant No. N66604-07-1-2678 is greatly appreciated.

PY - 2007

Y1 - 2007

N2 - We show that the nonlinear piezoelectric response of polyvinylidene fluoride (PVDF) exhibits quite different behavior compared with the piezoceramics. Instead of increasing linearly with the stress amplitude Tac, d31 coefficient raises with Tac2. Furthermore, the nonlinear effect does not set in until the strain increases beyond 0.3%, indicating very strong barriers to the domain wall motions in PVDF. The electromechanical coupling factor k31 also exhibits an increase with stress. Furthermore, the piezopolymer can withstand more than 3% strain without degrading the piezoelectric responses.

AB - We show that the nonlinear piezoelectric response of polyvinylidene fluoride (PVDF) exhibits quite different behavior compared with the piezoceramics. Instead of increasing linearly with the stress amplitude Tac, d31 coefficient raises with Tac2. Furthermore, the nonlinear effect does not set in until the strain increases beyond 0.3%, indicating very strong barriers to the domain wall motions in PVDF. The electromechanical coupling factor k31 also exhibits an increase with stress. Furthermore, the piezopolymer can withstand more than 3% strain without degrading the piezoelectric responses.

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Direct piezoelectric response of piezopolymer polyvinylidene fluoride under high mechanical strain and stress

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