Piezoelectric polymer electrets

Author

Eberle, G. ; Schmidt, H. ; Eisenmenger, W.

Author_Institution

Phys. Inst., Stuttgart Univ., Germany

Volume

3

Issue

5

fYear

1996

fDate

10/1/1996 12:00:00 AM

Firstpage

624

Lastpage

646

Abstract

In this review the physical properties, mechanisms and models are reviewed which explain the high piezoelectricity of the ferroelectric polymers of the polyvinylidene fluoride (PVDF) family, the odd nylons, the vinylidene cyanide (VDCN) copolymers and polyurea. Because PVDF and its copolymers with trifluoroethylene (TrFE) and tetrafluoroethylene (TFE) have been studied extensively in the last 25 years the main part of the review deals with these polymers. Additionally a short summary of the different piezoelectric applications of PVDF is presented. The odd nylons, the VDCN copolymers and the polyurea are compared with PVDF to show the different stabilization mechanisms of the remanent polarization and the different temperature behavior of the piezoelectricity. This review not only concentrates on the work done in the last few years but in order to describe the behavior of these polymers in detail, it is necessary to go back to the roots. Therefore many articles from the late seventies and early eighties are included

Keywords

dielectric polarisation; electrets; piezoelectric materials; polymer blends; polymers; reviews; ferroelectric polymers; nylons; physical properties; piezoelectricity; polyurea; polyvinylidene fluoride; remanent polarization; stabilization mechanisms; tetrafluoroethylene; trifluoroethylene; vinylidene cyanide copolymers; Chemicals; Crystallization; Electrets; Ferroelectric materials; Mechanical factors; Piezoelectric polarization; Piezoelectricity; Polymers; Pyroelectricity; Temperature dependence;

fLanguage

English

Journal_Title

Dielectrics and Electrical Insulation, IEEE Transactions on

Publisher

ieee

ISSN

1070-9878

Type

jour

DOI

10.1109/94.544185

Filename

544185