Publicação: Ferroelectric behavior of P(VDF-TrFE) copolymer samples
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Surface potential measurements are presented for corona charged P(VDF-TrFE) samples in a constant current corona triode. The surface potential curves display three distinct regions, characteristic of ferroelectric polymers. The results are interpreted by neglecting the intrinsic conductivity and assuming a dynamics for the electrical polarization which is usually employed in switching measurements of ferroelectric materials, but that was adapted for the constant corona charging condition.
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Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP, v. 1992-October, p. 190-195.
