Thermally stimulated current behaviour of polyvinylidene fluoride films on thermomagnetic treatment

C. Bhatnagar, M. Khare, G. Meenakshi
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引用次数: 1

Abstract

Thermally Stimulated Discharge Current (T3DC) in the case of polyvinylidene fluoride film treated chermomagneticaüly has been studied at different linear heating rates, preparing then at various polarizing fields (H7) and Temperatures (TF). TSDC spectra consists of two peaks at different temperatures (i) 60° to 70° and (ii) 190° to 196° termed as α-and ρ-peaks respectively. The values of activation energy calculated by two different methods show the existence of two tips of traps. TSDC with different heating rates suggests that low heating rates are preferable. The effect of thickness and storage tine has also been studied.
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热磁处理下聚偏氟乙烯薄膜的热激电流行为
研究了在不同的线性加热速率下,在不同的极化场(H7)和温度(TF)下制备聚偏氟乙烯膜的热激放电电流(T3DC)。TSDC光谱在60°~ 70°和190°~ 196°温度下有两个峰,分别称为α峰和ρ峰。两种方法计算的活化能值表明存在两个陷阱尖端。不同加热速率的TSDC表明,低加热速率为佳。研究了厚度和贮存时间的影响。
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