Polymer matrix ferroelectric composites under pressure: Negative electric capacitance and glassy dynamics

Szymon Starzonek; Aleksandra Drozd-Rzoska; Sylwester J. Rzoska; Kena Zhang; Emilia Pawlikowska; Aleksandra Kȩdzierska-Sar; Mikolaj Szafran; Feng Gao

doi:10.1140/epje/i2019-11876-9

Polymer matrix ferroelectric composites under pressure: Negative electric capacitance and glassy dynamics

Szymon Starzonek, Aleksandra Drozd-Rzoska, Sylwester J. Rzoska, Kena Zhang, Emilia Pawlikowska, Aleksandra Kȩdzierska-Sar, Mikolaj Szafran, Feng Gao

School of Materials Sience and Engineering

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

Abstract.: This report presents the results of high-pressure and broadband dielectric spectroscopy studies in polyvinylidene difluoride (PVDF) and barium strontium titanate (BST) microparticles composites (BST/PVDF). It shows that the Arrhenius behaviour for the temperature-related dynamics under atmospheric pressure is coupled to Super-Arrhenius/Super-Barus isothermal pressure changes of the primary relaxation time. Following these results, an explanation of the unique behaviour of the BST/PVDF composite is proposed. Subsequently, it is shown that when approaching the GPa domain the negative electric capacitance phenomenon occurs. Graphical abstract: [Figure not available: see fulltext.].

Original language	English
Article number	118
Journal	European Physical Journal E
Volume	42
Issue number	9
DOIs	https://doi.org/10.1140/epje/i2019-11876-9
State	Published - 1 Sep 2019

Keywords

Soft Matter: Polymers and Polyelectrolytes

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10.1140/epje/i2019-11876-9

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title = "Polymer matrix ferroelectric composites under pressure: Negative electric capacitance and glassy dynamics",

abstract = "Abstract.: This report presents the results of high-pressure and broadband dielectric spectroscopy studies in polyvinylidene difluoride (PVDF) and barium strontium titanate (BST) microparticles composites (BST/PVDF). It shows that the Arrhenius behaviour for the temperature-related dynamics under atmospheric pressure is coupled to Super-Arrhenius/Super-Barus isothermal pressure changes of the primary relaxation time. Following these results, an explanation of the unique behaviour of the BST/PVDF composite is proposed. Subsequently, it is shown that when approaching the GPa domain the negative electric capacitance phenomenon occurs. Graphical abstract: [Figure not available: see fulltext.].",

keywords = "Soft Matter: Polymers and Polyelectrolytes",

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TY - JOUR

T1 - Polymer matrix ferroelectric composites under pressure

T2 - Negative electric capacitance and glassy dynamics

AU - Starzonek, Szymon

AU - Drozd-Rzoska, Aleksandra

AU - Rzoska, Sylwester J.

AU - Zhang, Kena

AU - Pawlikowska, Emilia

AU - Kȩdzierska-Sar, Aleksandra

AU - Szafran, Mikolaj

AU - Gao, Feng

PY - 2019/9/1

Y1 - 2019/9/1

N2 - Abstract.: This report presents the results of high-pressure and broadband dielectric spectroscopy studies in polyvinylidene difluoride (PVDF) and barium strontium titanate (BST) microparticles composites (BST/PVDF). It shows that the Arrhenius behaviour for the temperature-related dynamics under atmospheric pressure is coupled to Super-Arrhenius/Super-Barus isothermal pressure changes of the primary relaxation time. Following these results, an explanation of the unique behaviour of the BST/PVDF composite is proposed. Subsequently, it is shown that when approaching the GPa domain the negative electric capacitance phenomenon occurs. Graphical abstract: [Figure not available: see fulltext.].

AB - Abstract.: This report presents the results of high-pressure and broadband dielectric spectroscopy studies in polyvinylidene difluoride (PVDF) and barium strontium titanate (BST) microparticles composites (BST/PVDF). It shows that the Arrhenius behaviour for the temperature-related dynamics under atmospheric pressure is coupled to Super-Arrhenius/Super-Barus isothermal pressure changes of the primary relaxation time. Following these results, an explanation of the unique behaviour of the BST/PVDF composite is proposed. Subsequently, it is shown that when approaching the GPa domain the negative electric capacitance phenomenon occurs. Graphical abstract: [Figure not available: see fulltext.].

KW - Soft Matter: Polymers and Polyelectrolytes

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U2 - 10.1140/epje/i2019-11876-9

DO - 10.1140/epje/i2019-11876-9

M3 - 文章

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SN - 1292-8941

VL - 42

JO - European Physical Journal E

JF - European Physical Journal E

IS - 9

M1 - 118

ER -

Polymer matrix ferroelectric composites under pressure: Negative electric capacitance and glassy dynamics

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