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Shear stress-induced enhancement of the piezoelectric properties of PVDF-TrFE thin films

机译:剪应力引起的PVDF-TrFE薄膜压电性能的增强

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摘要

Material properties of PVDF-TrFE related to dipole alignment and crystallinity, such as surface potential, polarization direction, piezoelectric coefficient, and remnant polarization, have been systematically examined to explain the improvement in the piezoelectric properties of PVDF-TrFE formed at a high spin-coating speed. The correlations between the distribution of the dipole moment vector and the degree of crystallinity were studied as a function of strain rate using a computational molecular dynamic simulation.
机译:已系统地检查了与偶极取向和结晶度有关的PVDF-TrFE的材料特性,例如表面电势,极化方向,压电系数和残余极化,以解释在高自旋下形成的PVDF-TrFE的压电特性的改进。涂布速度。使用计算分子动力学模拟研究了偶极矩矢量的分布与结晶度之间的相关性,该相关性是应变速率的函数。

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