材料科学
磁致伸缩
压电
铁电性
纳米复合材料
纳米线
纳米孔
各向异性
铁电聚合物
二氟
复合材料
多铁性
磁场
凝聚态物理
纳米技术
光电子学
光学
电介质
无机化学
化学
物理
量子力学
作者
Luc Piraux,Gaël Hamoir,Ming‐Wei Lee,Etienne Ferain,Alain M. Jonas,Isabelle Huynen,Joaquín de la Torre Medina
标识
DOI:10.1143/apex.4.115001
摘要
Ni nanowires were electrodeposited into track-etched ferroelectric poly(vinylidene difluoride) (PVDF) polymer nanoporous templates to make multiferroic nanostructured composites. Using ferromagnetic resonance measurements under static voltage bias, we demonstrate a magnetoelectric effect arising from a mechanical coupling between the magnetostrictive and piezoelectric phases. The calculated electric field lines and intensity indicate that PVDF matrix surrounding the surface of the Ni nanowires experiences shear stress. The competing magnetoelastic anisotropy originating from the piezoelectric effects leads to a reduced magnetic anisotropy field along the wire axis. The nanowires packing in the array are found to play a dominant role in the magnetoelectric effect.
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