Poling of VDF/TrFe copolymers using a step-wise method

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Setiadi, D. and Binnie, T.D. and Regtien, P.P.L. and Wubbenhorst, M. (1996) Poling of VDF/TrFe copolymers using a step-wise method. In: 9th International Symposium on Electrets, ISE 9, 25-30 Sept. 1996, Shanghai, China.

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Abstract:A new poling technique is presented, in which a series of five consecutive pulses of electric field, and with successively increasing strength is applied between the two electrodes of 65/35 VDF/TrFE copolymer based sensor. Between each pulse, the applied electric field is reduced to zero (short circuit). This allows deformations and space charges to be relax, resulting in more homogeneous electric field distribution with less risk for an electric breakdown. It is conducted at room temperature and is compatible with semiconductor technology. This step-wise poling technique is characterised by a low breakdown rate and yields a high pyroelectric coefficient
Item Type:Conference or Workshop Item
Copyright:© 1996 IEEE Press
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Link to this item:http://purl.utwente.nl/publications/57721
Official URL:http://dx.doi.org/10.1109/ISE.1996.578215
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