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    • Keywords


      Nanowires; Ni/Cu; NiFe/Cu; anodic aluminum oxide

    • Abstract


      Highly ordered composite nanowires with multilayer Ni/Cu and NiFe/Cu have been fabricated by pulsed electrodeposition into nanoporous alumina membrane. The diameter of wires can be easily varied by pore size of alumina, ranging from 30 to 100 nm. The applied potential and the duration of each potential square pulse determine the thickness of the metal layers. The nanowires have been characterized by transmission electron microscopy (TEM), magnetic force microscopy (MFM), and vibrating sample magnetometer (VSM) measurements. The MFM images indicate that every ferromagnetic layer separated by Cu layer was present as single isolated domain-like magnet. This technique has potential use in the measurement and application of magnetic nanodevices.

    • Author Affiliations


      R S Liu1 2 S C Chang1 I Baginskiy2 S F Hu2 3 C Y Huang2 4

      1. Department of Chemistry, National Taiwan University, Taipei - 106, Taiwan
      2. Taiwan Spin Research Center, National Chung Cheng University, Chia-Yi - 621, Taiwan
      3. National Nano Device Laboratories, Hsinchu - 300, Taiwan
      4. National Taiwan Normal University, Taipei - 116, Taiwan
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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