2004 年 28 巻 3 号 p. 339-342
We have investigated the current-voltage characteristics of ferromagnetic Ni nanowires, using break-junction method. At liquid-helium temperature, nanowires were sustainable typically for a few minutes. The measured current-voltage curves for ferromagnetic Ni show a nonlinear property, which is in contrast to the case of diamagnetic Cu. This indicates that magnetic properties such as the local magnetic structure play an important role in the electronic transport of nanowires.