Colloid and Polymer Science

, Volume 296, Issue 6, pp 1057–1070 | Cite as

An effect of the film texture on high-voltage polarization and local piezoelectric properties of the ferroelectric copolymer of vinylidene fluoride

  • V. V. KochervinskiiEmail author
  • D. A. Kiselev
  • M. D. Malinkovich
  • N. A. Shmakova
Original Contribution


Vinylidene fluoride and tetrafluoroethylene copolymer 94/6 texturing has been carried out by one-axis drawing at Td = 75 °C up to the ratio of 6 with subsequent isometric tempering at 130 °C. Data of X-ray diffraction and IR-spectroscopy indicate partial polymorph transition from the metastable γ-phase to the polar β-modification with long segments in the conformation of the planar zigzag. The surface topography data show that the oriented film roughness turns out to be almost three times lower than that of the isotropic one. High-resolution vector piezoresponse force microscopy (PFM) has been used to investigate topography and ferroelectric domains in polymer films for visualization out-of-plane and in-plane polarization components. It is shown that, in the oriented sample, both crystallinity and the degree of polar β-phase crystal perfection are higher. It was found that conductivity “abnormal” dropping takes place at the stage of intensive Pr rising with the field growing. This fact is explained by quick trapping of charge carriers by polar planes of crystals with increasing the effective trap area.


Ferroelectric polymers Structure Polarization 


Funding information

The reported study was funded by the RFBR according to the research project no. 18-03-00493. The PFM studies were performed at the Center of Collective Use “Material Science and Metallurgy” of the National University of Science and Technology “MISiS” and were supported by the Ministry of Education and Science of the Russian Federation (Grants 11.9706.2017/7.8 and 16.2811.2017/4.6).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • V. V. Kochervinskii
    • 1
    Email author
  • D. A. Kiselev
    • 2
    • 3
  • M. D. Malinkovich
    • 2
  • N. A. Shmakova
    • 1
  1. 1.Karpov Institute of Physical ChemistryMoscowRussia
  2. 2.National University of Science and Technology “MISiS”MoscowRussia
  3. 3.Kotel’nikov Institute of Radioengineering and Electronics of Russian Academy of SciencesFryazino, Moscow RegionRussia

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