聚偏氟乙烯-三氟乙烯共聚物中的剪切压电性:通过分子模拟、双轴横向响应和在悬浮能量收集纳米结构中的应用得到的全压张量系数
Shear piezoelectricity in poly(vinylidenefluoride-co-trifluoroethylene): full piezotensor coefficients by molecular modeling, biaxial transverse response, and use in suspended energy-harvesting nanostructures
摘要:
聚合物材料固有的柔性特性也导致沿垂直于所施加应力的方向的显著应变变形。本文分析了聚偏氟乙烯共聚物剪切压电性的双轴响应,并给出了它们的全部压电张量。利用单根悬浮纳米线在局部载荷作用下的微观剪切力耦合弯曲变形和横向压电响应。
英文摘要:
The intrinsic flexible character of polymeric materials also causes remarkable strain deformations along directions perpendicular to the applied stress. Here the biaxial response in the shear piezoelectricity of polyvinylidenefluoride copolymers is analyzed and their full piezoelectric tensors are provided. The microscopic shear is exploited in single suspended nanowires bent by localized loading to couple flexural deformation and transverse piezoelectric response.
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