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首页> 外文期刊>IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control >Dielectric and pyroelectric properties of triglycerol-gelatin films
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Dielectric and pyroelectric properties of triglycerol-gelatin films

机译：甘油三酸酯-明胶薄膜的介电和热电性质

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摘要

The dielectric and pyroelectric properties of triglycerol-gelatin thick films were studied as a function of temperature and frequency. The films exhibited a strong dispersion in the dielectric permittivity accompanied by a high dielectric loss near room temperature. The pyroelectric current measured by the static Byer-Roundy method is heavily dominated by the thermally stimulated currents. Measurements performed on prepoled samples using the dynamic technique of A.G. Chynoweth (1956) clearly proved the presence of a true, reversible pyroelectric response in the examined films. The value of the pyroelectric coefficient of the films was found to be comparable to that of polyvinylidene fluoride (PVDF).
机译：研究了甘油三酸酯-明胶厚膜的介电和热电性质随温度和频率的变化。这些薄膜在介电常数上显示出很强的分散性，并伴随着在室温附近的高介电损耗。通过静态Byer-Roundy方法测得的热释电电流主要受热激发电流支配。使用A.G. Chynoweth（1956）的动态技术对预极化样品进行的测量清楚地证明了所检查的薄膜中存在真实的，可逆的热电响应。发现膜的热电系数的值与聚偏二氟乙烯（PVDF）的热电系数的值相当。

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