The magneto–mechanical coupling effect and magnetic anisotropy of Fe 10 Co 90 (FeCo) films deposited on silicon wafer (Si), flexible polyethylene terephthalate (PET), freestanding polydimethylsiloxane (PDMS), and pre-stretched 20% PDMS substrates were studied in detail. The loop squareness ratio M r / M s and the coercive H c of the FeCo film grown on a PET substrate can be obviously tuned by applying a small tensile-bending strain, and those of the FeCo film grown on a freestanding PDMS substrate can only be slightly changed when applying a relatively large tensile bending strain. For the FeCo film prepared on a 20% pre-stretched PDMS, a wrinkled morphology is obtained after removing the pre-strain. The wrinkled FeCo film can keep the magnetic properties unchanged when applying a relatively large tensile bending strain perpendicular to the wrinkles. This reveals that PDMS is an ideal substrate for magnetic f...

中文翻译：

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在不同柔性基底上生长的Fe 10 Co 90薄膜的磁弹性耦合效应

研究了在硅晶片（Si），柔性聚对苯二甲酸乙二醇酯（PET），独立式聚二甲基硅氧烷（PDMS）和预拉伸20％PDMS衬底上沉积的Fe 10 Co 90（FeCo）薄膜的磁-机械耦合效应和磁各向异性。详情。通过施加小的拉伸弯曲应变，可以明显地调整在PET衬底上生长的FeCo膜的环矩形比M r / M s和矫顽H c，而在独立PDMS衬底上生长的FeCo膜的环矩形比M r / M s和矫顽H c当施加较大的拉伸弯曲应变时，应略微改变。对于在20％的预拉伸PDMS上制备的FeCo膜，去除预应变后会获得皱纹形态。当施加垂直于皱纹的相对较大的拉伸弯曲应变时，起皱的FeCo膜可保持磁性不变。这表明PDMS是磁性材料的理想基材。