Ferroelectric-like behavior in nonpolar cellular electrets

Michael Lindner; Simona Bauer-Gogonea; Siegfried Bauer

doi:10.1117/12.468257

11 March 2003 Ferroelectric-like behavior in nonpolar cellular electrets

Michael Lindner, Simona Bauer-Gogonea, Siegfried Bauer

Proceedings Volume 4946, Transducing Materials and Devices; (2003) https://doi.org/10.1117/12.468257
Event: Photonics Fabrication Europe, 2002, Bruges, Belgium

Abstract

Cellular space-charge electrets have emerged as a new class of materials for electromechanical devices, offering a huge potential for applications in noise reduction or cancellation, non-intrusive surveillance, advanced monitoring in health care, as well as in non-destructive testing. Here we report on piezoelectric responses in sandwich structures of two dielectric films separated by an air-gap of a few micrometer thickness. The sandwich structure is charged by dielectric barrier microdischarges within the air-gap. Wide ranging similarities to ferroelectric materials are demonstrated, like hysteresis loops in the dielectric and electromechanical properties versus applied voltage. Applications may emerge in electrostatic microelectromechanical devices.

Citation Download Citation

Michael Lindner, Simona Bauer-Gogonea, and Siegfried Bauer "Ferroelectric-like behavior in nonpolar cellular electrets", Proc. SPIE 4946, Transducing Materials and Devices, (11 March 2003); https://doi.org/10.1117/12.468257

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