Defects in poly (vinylidene fluoride)-based ferroelectric polymers from a molecular perspective

Y Liu, X Chen, Z Han, H Zhou, Q Wang - Applied Physics Reviews, 2022 - pubs.aip.org
As the most intensively investigated ferroelectric polymers, poly (vinylidene fluoride) and its
co-/ter-polymers enable major breakthroughs in a wide range of applications. Since defects …

Flexible intramedullary nails for limb lengthening: a comprehensive comparative study of three nails types

EN Bolbasov, DA Popkov, NA Kononovich… - Biomedical …, 2019 - iopscience.iop.org
This study aims to investigate the comparative study of calcium phosphate coatings for
flexible intramedullary nails (FINs) used to lengthen long tubular bones. The presence of a …

[PDF][PDF] Fluorine-containing ferroelectric polymers: applications in engineering and biomedicine

VV Kochervinskii, OV Gradov… - Russian Chemical …, 2022 - researchgate.net
Ferroelectric polymers represent a relatively new class of electroactive materials, which
have recently attracted attention of both scientists and applied engineers. 1±6 This is due to …

Influence of parameters of molecular mobility on formation of structure in ferroelectric vinylidene fluoride copolymers

V Kochervinskii, I Malyshkina, A Pavlov… - Journal of Applied …, 2015 - pubs.aip.org
The low-temperature molecular mobility has been studied by dielectric relaxation
spectroscopy on the bulk films of statistic copolymers of vinylidene fluoride (VDF) with tetra …

Surface topography and crystal and domain structures of films of ferroelectric copolymer of vinylidene difluoride and trifluoroethylene

VV Kochervinskii, DA Kiselev, MD Malinkovich… - Crystallography …, 2017 - Springer
The crystallization of a copolymer from a solution at room temperature is found to lead to the
formation of a metastable structure, characterized by the coexistence of ferroelectric and …

Local piezoelectric response, structural and dynamic properties of ferroelectric copolymers of vinylidene fluoride–tetrafluoroethylene

VV Kochervinskii, DA Kiselev, MD Malinkovich… - Colloid and Polymer …, 2015 - Springer
The characteristics of the local piezoelectric response of isotropic films of copolymers of
vinylidene fluoride (VDF) were compared with 6 and 29 mol% tetrafluoroethylene (TFE) …

Dielectric spectroscopy of ferroelectric polymers

VV Kochervinskii, IA Malyshkina - Organic Ferroelectric Materials and …, 2022 - Elsevier
The presence of branching chemical defects in PVDF chains leads to broadening of the
dielectric relaxation times spectrum for the mobility in the amorphous phase and to the …

Molecular mobility and structuring in textured films of the ferroelectric copolymer of vinylidene fluoride with tetrafluoroethylene

VV Kochervinskii, SA Bedin, IV Razumovskaya… - Polymer Science Series …, 2016 - Springer
The processes of molecular mobility in vinylidene fluoride–tetrafluoroethylene ferroelectric
copolymer–based films textured via uniaxial drawing are studied. It is found that the …

Influense of the high-voltage conductivity on peculiarity of polarization ferroelectric polymer on based vinylidenefluoride

VV Kochervinskii, EV Chubunova… - Advances in Materials …, 2015 - techno-press.org
The phenomena of high-voltage polarization and conductivity in oriented vinylidenefluoride
and tetrafluoroethylene copolymer films have been investigated. It was shown that under …

On the nature of hysteresis phenomena at low-voltage polarization of crystalline ferroelectric polymers

V Kochervinskii, N Shmakova, I Malyshkina… - …, 2018 - Taylor & Francis
Hysteresis phenomena were observed under electric fields two orders of magnitude lower
than the coercive ones in ferroelectric copolymer vinylidene fluoride–tetrafluoroethylene …