Electrical properties of very thin VDF-TrFE copolymer films

Glatz-Reichenbach, J.; Schilling, D.; Dransfeld, Klaus

doi:10.1109/ceidp.1990.201321

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“…This advantage is particularly valuable for the study of thin films where the conduction current [5,6] can no longer be neglected. This advantage is particularly valuable for the study of thin films where the conduction current [5,6] can no longer be neglected.…”

Section: Lie-jie Et Almentioning

confidence: 99%

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Fast polarization reversal in thin copolymer films of vinylidene fluoride-trifluoroethylene

1991

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In this paper we present new experiments on the switching of the polarization in thin (< 1 ~tm) ferroelectric copolymer films of P(VDF-TrFE). We observed an unexpectedly short switching time for these thin films: The polarization of a 0.2 ~tm thick film could be reversed by poling fields of 600MV/m in less than lOOns. This result which may revive interest in ferroelectric data storage is discussed in terms of a switching process which also involves the ohmic conductivity of the sample.

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Section: Lie-jie Et Almentioning

confidence: 99%

“…After poling they also become piezoelectric and pyroelectric. Recently it has been found that very thin films show a considerable unexpected electrical conductivity in very high electric fields [5,6]. Ferroelectric polymers can be produced by spin coating as very thin films having a thickness of only 100 nm or less [4].…”

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confidence: 99%