Abstract
In this work, lead-bismuth eutectic alloy nanowires were fabricated by a novel vacuum melting method and centrifugal process. An anodic aluminum oxide (AAO) template was used to produce an array of ordered, dense, and continuous Pb-Bi nanowires. Scanning electron microscopy and transmission electron microscopy investigations reveal that nanowires with a diameter of 80 nm are composed of Pb7Bi3 and Bi phases, and have a single orientation of growth. Magnetic susceptibility and hysteresis measurements have been used to characterize the superconductive and magnetic properties of the nanowires. The results show that Pb-Bi nanowires have a slightly lower superconducting transition temperature than Pb-Bi eutectic alloy bulk, and only about 1% superconductivity volume fraction in magnetic fields both perpendicular and parallel to the plate. In magnetization curves, a fairly large hysteresis is observed for both field orientations.
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81.07.Bc; 81.20.-n; 74.70.Ad
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Kuo, C., Hsu, Y., Wu, M. et al. Characterization of lead-bismuth eutectic nanowires. Appl. Phys. A 80, 1501–1504 (2005). https://doi.org/10.1007/s00339-005-3205-5
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DOI: https://doi.org/10.1007/s00339-005-3205-5