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FUNCTIONAL PROPERTIES OF PVDF-BASED NZF-BT FLEXIBLE FILMS

Authorized Users Only
2022
Authors
Grigalaitis, Robertas
Salasevicius, R.
Banys, Juras
Vijatović-Petrović, Mirjana
Džunuzović, Adis
ZAGHETE, MARIA
Ferreira Teixeira, Guilhermina
Stojanović, Biljana D
Article (Published version)
,
Lietuvos mokslų akademija
Metadata
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Abstract
Flexible multiferroic composite films are perspective materials for sensors, actuators and similar com-ponents of wearable and stretchable devices. Here we present the study of functional properties of flexible composites prepared by embedding nickel zinc ferrite and barium titanate powder into polyvinylidene fluo-ride (PVDF) polymer optimizing the ratio of polymer and fillers to get the best flexibility and functionality. ATR-FTIR analysis revealed that hot pressing of the flexible films causeda transformation of about 38% of the electro-inactive PVDF α phase into electrically active β and γ phases. Broadband dielectric spectroscopy revealed two relaxation processes responsible for PVDF and space charge relaxations. Activation energies of both processes and the freezing temperature of PVDF to the glass phase were estimated for all films. Ferroelectric measurements have shown unsaturated hysteresis loops for all samples, although the clear dependence of t...he amount of the electrically active phase on polarization values of composites is visible.

Keywords:
composites / flexible films / ferroelectric properties / dielectric dispersion
Source:
Lithuanian Journal of Physics, 2022, 62, 4, 195-204
Publisher:
  • Lietuvos mokslų akademija
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200053 (University of Belgrade, Institute for Multidisciplinary Research) (RS-200053)

DOI: 10.3952/physics.v62i4.4825

ISSN: 1648-8504

[ Google Scholar ]
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/2104
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - JOUR
AU  - Grigalaitis, Robertas
AU  - Salasevicius, R.
AU  - Banys, Juras
AU  - Vijatović-Petrović, Mirjana
AU  - Džunuzović, Adis
AU  - ZAGHETE, MARIA
AU  - Ferreira Teixeira, Guilhermina
AU  - Stojanović, Biljana D
PY  - 2022
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/2104
AB  - Flexible multiferroic composite films are perspective materials for sensors, actuators and similar com-ponents of wearable and stretchable devices. Here we present the study of functional properties of flexible composites prepared by embedding nickel zinc ferrite and barium titanate powder into polyvinylidene fluo-ride (PVDF) polymer optimizing the ratio of polymer and fillers to get the best flexibility and functionality. ATR-FTIR analysis revealed that hot pressing of the flexible films causeda transformation of about 38% of the electro-inactive PVDF α phase into electrically active β and γ phases. Broadband dielectric spectroscopy revealed two relaxation processes responsible for PVDF and space charge relaxations. Activation energies of  both  processes  and  the  freezing  temperature  of  PVDF  to  the  glass  phase  were  estimated  for  all  films.  Ferroelectric  measurements  have  shown  unsaturated  hysteresis  loops  for  all  samples,  although  the  clear  dependence of the amount of the electrically active phase on polarization values of composites is visible.
PB  - Lietuvos mokslų akademija
T2  - Lithuanian Journal of Physics
T1  - FUNCTIONAL PROPERTIES OF PVDF-BASED NZF-BT FLEXIBLE FILMS
EP  - 204
IS  - 4
SP  - 195
VL  - 62
DO  - 10.3952/physics.v62i4.4825
ER  - 
@article{
author = "Grigalaitis, Robertas and Salasevicius, R. and Banys, Juras and Vijatović-Petrović, Mirjana and Džunuzović, Adis and ZAGHETE, MARIA and Ferreira Teixeira, Guilhermina and Stojanović, Biljana D",
year = "2022",
abstract = "Flexible multiferroic composite films are perspective materials for sensors, actuators and similar com-ponents of wearable and stretchable devices. Here we present the study of functional properties of flexible composites prepared by embedding nickel zinc ferrite and barium titanate powder into polyvinylidene fluo-ride (PVDF) polymer optimizing the ratio of polymer and fillers to get the best flexibility and functionality. ATR-FTIR analysis revealed that hot pressing of the flexible films causeda transformation of about 38% of the electro-inactive PVDF α phase into electrically active β and γ phases. Broadband dielectric spectroscopy revealed two relaxation processes responsible for PVDF and space charge relaxations. Activation energies of  both  processes  and  the  freezing  temperature  of  PVDF  to  the  glass  phase  were  estimated  for  all  films.  Ferroelectric  measurements  have  shown  unsaturated  hysteresis  loops  for  all  samples,  although  the  clear  dependence of the amount of the electrically active phase on polarization values of composites is visible.",
publisher = "Lietuvos mokslų akademija",
journal = "Lithuanian Journal of Physics",
title = "FUNCTIONAL PROPERTIES OF PVDF-BASED NZF-BT FLEXIBLE FILMS",
pages = "204-195",
number = "4",
volume = "62",
doi = "10.3952/physics.v62i4.4825"
}
Grigalaitis, R., Salasevicius, R., Banys, J., Vijatović-Petrović, M., Džunuzović, A., ZAGHETE, M., Ferreira Teixeira, G.,& Stojanović, B. D.. (2022). FUNCTIONAL PROPERTIES OF PVDF-BASED NZF-BT FLEXIBLE FILMS. in Lithuanian Journal of Physics
Lietuvos mokslų akademija., 62(4), 195-204.
https://doi.org/10.3952/physics.v62i4.4825
Grigalaitis R, Salasevicius R, Banys J, Vijatović-Petrović M, Džunuzović A, ZAGHETE M, Ferreira Teixeira G, Stojanović BD. FUNCTIONAL PROPERTIES OF PVDF-BASED NZF-BT FLEXIBLE FILMS. in Lithuanian Journal of Physics. 2022;62(4):195-204.
doi:10.3952/physics.v62i4.4825 .
Grigalaitis, Robertas, Salasevicius, R., Banys, Juras, Vijatović-Petrović, Mirjana, Džunuzović, Adis, ZAGHETE, MARIA, Ferreira Teixeira, Guilhermina, Stojanović, Biljana D, "FUNCTIONAL PROPERTIES OF PVDF-BASED NZF-BT FLEXIBLE FILMS" in Lithuanian Journal of Physics, 62, no. 4 (2022):195-204,
https://doi.org/10.3952/physics.v62i4.4825 . .

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