Please use this identifier to cite or link to this item: http://dx.doi.org/10.18419/opus-4949
Authors: Womes, Manfred
Bihler, Eckardt
Eisenmenger, Wolfgang
Title: Dynamics of polarization growth and polarization reversal in PVDF films
Issue Date: 1988
metadata.ubs.publikation.typ: Konferenzbeitrag
metadata.ubs.publikation.source: Das-Gupta, Dilip K. (Hrsg.): Proceedings / 6th International Symposium on Electrets : ISE 6; 1-3 Sept. 1988, The Queen's College, Oxford, England. Piscataway, NJ : IEEE, 1988, S. 359-363
URI: http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-56032
http://elib.uni-stuttgart.de/handle/11682/4966
http://dx.doi.org/10.18419/opus-4949
Abstract: The authors present measurements of the maximum displacement at the end of a rectangular high-voltage pulse together with the remanent polarization after the pulse under short-circuit condition as a function of the polarizing pulse end length. The pulse length varied from 10 μs to 100 s, and the field strength ranged from 0.8 MV/cm to 2 MV/cm. The original samples were reversely polarized or unpolarized 12-μm-thick films containing 37% β-material. It is concluded that the cooperative model combined with six-site potential alone cannot explain the observed switching back of the remanent polarization, its delayed development, and the long times necessary for polarization reversal. The results are qualitatively consistent with a model of charge injection and charge trapping at polarized crystallites.
Appears in Collections:08 Fakultät Mathematik und Physik

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