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Superconducting and magnetic properties of Ni/Pb multilayered nanowires

机译:Ni / Pb多层纳米线的超导和磁性

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Nickel/lead multilayered nanowires were prepared using standard three-electrode electrodeposition into anodic aluminum oxide porous templates. The diameters of the nanowires ranged from 50 to 200 nm. By means of electric and magnetic measurements, we found that the superconducting transition temperature, T_c, of the Pb layer persisted down to the smallest diameter without any noticeable dimensional effect. T_c was affected by the relative orientation of magnetizations in neighboring Ni layers. When the superconducting layers were driven normal under a large magnetic field, unusual resistance increase was observed with decreasing temperature, which was consistent with the Kondo effect.
机译:使用标准三电极电沉积在阳极氧化铝多孔模板中制备镍/铅多层纳米线。纳米线的直径范围为50至200nm。通过电和磁测量,我们发现,PB层的超导转变温度T_C持续到最小的直径而没有任何明显的尺寸效果。 T_C受相邻NI层中磁化的相对取向的影响。当超导层在大磁场下被驱动正常时,观察到不常有的电阻增加,随着kondo效应一致。

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