Enhancement of the coercivity of electrodeposited nickel nanowire arrays

C. Y. Yu, Y. L. Yu, Hongyu Sun, T. Xu, X. H. Li, W. Li, Z. S. Gao, X. Y. Zhang

Research output: Contribution to journalJournal articleResearchpeer-review


In the present study, the single-crystal Ni nanowire arrays with a preferred growth along the [110] direction have been prepared by the deposition of Ni into the alumina template with nanopores at a current density of 2.0 mA/cm2. The single-crystal Ni nanowire arrays show a magnetic anisotropy with the easy axis parallel to the nanowires and an enhanced coercivity as compared with the polycrystalline Ni nanowire arrays. A large coercivity of 1110 Oe together with a high remanence M-r = 0.92Ms is observed for 15-nm diameter single-crystal Ni nanowire arrays. The preferred growth mechanism of the single-crystal nanowires is briefly discussed. (c) 2006 Elsevier B.V. All rights reserved.
Original languageEnglish
JournalMaterials Letters
Issue number8-9
Pages (from-to)1859-1862
Number of pages4
Publication statusPublished - 2007
Externally publishedYes


  • Magnetic nanowires
  • Single-crystal nanowires
  • Ni nanowire arrays


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