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Details of the Magnetization Reversal in Patterned Exchange-Biased and Unbiased Thin Films

机译:图案化交换偏置和无偏置薄膜中磁化反转的详细信息

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摘要

New features of the magnetization reversal of a patterned bilayer in the form of a square mesh consisting of 16 μm wide intersecting stripes of NiFe (30 nm) exchange-coupled with IrMn (10 nm) on top were revealed via use of the advanced magneto-optical indicator film technique. A peculiar asymmetry of the remagnetization behavior was observed for the forward and backward branches of the hysteresis loop for fields parallel to the sample's unidirectional anisotropy. Herein, we compare the magnetization reversal processes in the biased and nonbiased patterned ferromagnetic nano-layers.
机译:通过使用先进的磁感应技术,揭示了图案化双层磁化反转的新特征,其形式为正方形网眼,该网眼由16μm宽的相交的NiFe(30 nm)相交条纹与顶部的IrMn(10 nm)交换耦合而成。光学指示膜技术。对于与样品单向各向异性平行的磁场,在磁滞回线的前向和后向分支中观察到了独特的磁化行为不对称性。在这里,我们比较了在有偏磁和无偏磁铁磁纳米层中的磁化反转过程。

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