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AC impedance of poled glass during de-poling

Oven, Robert (2017) AC impedance of poled glass during de-poling. Solid State Ionics, 315 . pp. 14-18. ISSN 0167-2738. (doi:10.1016/j.ssi.2017.11.018) (KAR id:65043)

Abstract

It has been observed in the literature that when the DC poling voltage is removed at the end of the poling process in glass in a so called de-poling experiment, the small signal AC impedance as measured by impedance spectroscopy increases immediately. It is shown that this effect can be explained if the DC voltage causes nonlinear ionic conduction to occur in the poled layer. The DC field changes the barrier height over which ions have to jump from one site to another and this also effects the AC resistance; by removing the DC field the original barrier height is restored thus increasing the AC resistance. Analysis of experimental data using poled soda-lime glass supports this interpretation.

Item Type: Article
DOI/Identification number: 10.1016/j.ssi.2017.11.018
Uncontrolled keywords: Electro-thermal poling; Soda-lime glass; Impedance spectroscopy
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Robert Oven
Date Deposited: 07 Dec 2017 09:40 UTC
Last Modified: 09 Dec 2022 17:58 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/65043 (The current URI for this page, for reference purposes)

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