Nanostructural and piezoelectric characterization of electro-formed δ-phase poly(vinylidene fluoride) thin films

Davide Disnan; Jonas Hafner; Simone Benaglia; Marco Teuschel; Michael Schneider; Ricardo Garcia; Ulrich Schmid

doi:10.1080/21663831.2022.2150096

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Nanostructural and piezoelectric characterization of electro-formed δ-phase poly(vinylidene fluoride) thin films

Original Reports | 更新时间：2026-08-19

- Nanostructural and piezoelectric characterization of electro-formed δ-phase poly(vinylidene fluoride) thin films
- Materials Research Letters Vol. 11, Issue 4, Pages: 296-303(2023)
- 作者机构：
  
  1. a Institute of Sensor and Actuator Systems TU Wien
  2. b Instituto de Ciencia de Materiales de Madrid CSIC
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2022.2150096
  CLC：
- Online First：30 November 2022，
  
  Published：2023
- 稿件说明：
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Davide Disnan, Jonas Hafner, Simone Benaglia, et al. Nanostructural and piezoelectric characterization of electro-formed δ-phase poly(vinylidene fluoride) thin films[J]. Materials Research Letters, 2023, 11(4): 296-303.
DOI：

Davide Disnan, Jonas Hafner, Simone Benaglia, et al. Nanostructural and piezoelectric characterization of electro-formed δ-phase poly(vinylidene fluoride) thin films[J]. Materials Research Letters, 2023, 11(4): 296-303. DOI： 10.1080/21663831.2022.2150096.

摘要

Abstract

BSTRACTFerroelectric polymer PVDF possesses different polymorphs. Solution-processed thin films crystallize mostly into the paraelectric

-phase. From

-PVDF

the electroactive phases

-PVDF can be achieved by further treatments. For instance

-PVDF

also known as

-phase

can be obtained by electro-forming. In this work

we study the

-PVDF surface morphology using atomic force microscopy through a high-resolution image at the sub-nanometre scale. We go through the ferro- and piezoelectric properties of the electro-formed δ-PVDF thin films and we present an electro-mechanical characterization in high-fields regime

for studying the non-linear electrostrain behaviour

and in low-fields regime

for extracting the piezoelectric coefficient.

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Related Institution

d Department of Materials Science and Engineering and Jülich-UNIST Joint Leading Institute for Advanced Energy Research Ulsan National Institute of Science and Technology (UNIST)

c Faculty of Engineering Toyama Prefectural University

a Department of Mechanical and Aerospace Engineering North Carolina State University Raleigh NC USA

b Department of Materials Science and Engineering Sunmoon University

a Department of Mechanical and Aerospace Engineering North Carolina State University Raleigh

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