Limbong, Albinur and Saragih, Horasdia (2013) Pengaruh Kelelahan Polarisasi pada Sifat Dielektrik Film Polimer Feroelektrik. Jurnal Matematika dan Sains, 18 (2). pp. 64-69. ISSN 0854-5154

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Polymers, such as Polyvinylidene Fluoride (PVDF) and its copolymers with Trifluoroethylene (TrFE), are both dielectric and ferroelectric materials. They exhibit polarization hysteresis loop when subjected to cycled electric field. To be pyroelectric, these materials have to be poled. Poling or fatiguing these materials influences not only the ferroelectric properties, but also the dielectric properties. For both thick and sub-micron films. The dielectric properties were characterized by the measurement of the dielectric permittivities and loss as function of frequency at differents temperatures. Based on the experimental results, it is found that poling or fatiguing the polymers substantially increases the crystallinity and the size of crystallites. However, the effect of fatigue on the dielectric properties is only evident at low frequencies.

Item Type: Article
Subjects: 500 – Ilmu Pengetahuan > 530 Fisika > 539 Fisika modern
Divisions: Fakultas Matematika & Ilmu Pengetahuan Alam > Farmasi
Depositing User: Mr BAA Admin
Date Deposited: 18 Oct 2021 09:26
Last Modified: 15 Jun 2022 04:01

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