Spin cast ferroelectric beta poly(vinylidene fluoride) thin films via rapid thermal annealing
作者： Seok Ju Kang , Youn Jung Park , Jinwoo Sung , Pil Sung Jo , Cheolmin Park
DOI: 10.1063/1.2830701
关键词: Capacitor 、 Annealing (metallurgy) 、 Composite material 、 Thermal treatment 、 Thin film 、 Ferroelectricity 、 Spin casting 、 Materials science 、 Fluoride 、 Field-effect transistor
摘要: We describe a method of fabricating ferroelectric beta-type poly(vinylidene fluoride) (PVDF) thin films on Au substrate by the humidity controlled spin casting combined with rapid thermal treatment. Our produces uniform PVDF film ordered beta crystals consisting characteristic needlelike microdomains. A capacitor 160nm thick exhibits remanent polarization and coercive voltage ∼7.0μC∕cm2 8V, respectively, temperature stability up to 160°C. field effect transistor also shows drain current bistablility 100 at zero gate ±20V sweep.
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