<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Ferroelectric composite thin films of x-SBT/PVDF with different SBT content (weight ratios of SBT to PVDF, x = 0 %, 5 %, 10 %, 15 %, 20 %) were prepared by spin-coating method. The crystal structures of x-SBT/PVDF films were analyzed by X-ray diffraction (XRD) measurements and Fourier transform-infrared spectroscopy (FT-IR), respectively. Experimental results demonstrated that both α, β-phases PVDF and the layered perovskite SBT co-existed in the x-SBT/PVDF samples. With an increase of SBT content in the x-SBT/PVDF thin films, both the dielectric constant and the saturated polarization were also increased, compared with those of pure PVDF thin film. More importantly, when the SBT content in the x-SBT/PVDF thin films was larger than 15 %, the coercive field of x-SBT/PVDF thin films was also decreased.</p></abstract>

Ferroelectric composite thin films of x-SBT/PVDF with different SBT content (weight ratios of SBT to PVDF, x = 0 %, 5 %, 10 %, 15 %, 20 %) were prepared by spin-coating method. The crystal structures of x-SBT/PVDF films were analyzed by X-ray diffraction (XRD) measurements and Fourier transform-infrared spectroscopy (FT-IR), respectively. Experimental results demonstrated that both α, β-phases PVDF and the layered perovskite SBT co-existed in the x-SBT/PVDF samples. With an increase of SBT content in the x-SBT/PVDF thin films, both the dielectric constant and the saturated polarization were also increased, compared with those of pure PVDF thin film. More importantly, when the SBT content in the x-SBT/PVDF thin films was larger than 15 %, the coercive field of x-SBT/PVDF thin films was also decreased.

Synthesis of PVDF/SBT composite thin films by spin coating technology and their ferroelectric properties

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Ferroelectric composite thin films of x-SBT/PVDF with different SBT content (weight ratios of SBT to PVDF, x = 0 %, 5 %, 10 %, 15 %, 20 %) were prepared by...

Synthesis of PVDF/SBT composite thin films by spin coating technology and their ferroelectric properties

Article Category: Research Article

Published Online: Sep 12, 2016

Page range: 650 - 654

Received: Jan 20, 2016

Accepted: Jun 01, 2016

DOI: https://doi.org/10.1515/msp-2016-0075

Keywords
PVDF, SBT, ferroelectric composite films, remnant polarization

© 2016 Changchun Chen et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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Synthesis of PVDF/SBT composite thin films by spin coating technology and their ferroelectric properties

Article Category: Research Article

Published Online: Sep 12, 2016

Page range: 650 - 654

Received: Jan 20, 2016

Accepted: Jun 01, 2016

DOI: https://doi.org/10.1515/msp-2016-0075

KeywordsPVDF, SBT, ferroelectric composite films, remnant polarization

© 2016 Changchun Chen et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Keywords
PVDF, SBT, ferroelectric composite films, remnant polarization