Magnetic and optical properties of cobalt nanowires fabricated in polycarbonate ion-track templates

J. Duan*, J. Liu, T. W. Cornelius, H. Yao, D. Mo, Y. Chen, L. Zhang, Y. Sun, M. Hou, C. Trautmann, R. Neumann

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

Cobalt nanowires with diameter 75 nm were synthesized in ion track-etched membranes by electrochemical deposition. Scanning electron microscopy displays cylindrical wires with smooth and homogeneous contours. X-ray diffraction studies indicate that the wires possess a face centered cubic structure and a preferred growth orientation along the [1 1 0] direction. The wires exhibit magnetic anisotropy, which is observed and is ascribed to shape anisotropy. The optical extinction spectrum shows a band which probably originates from a surface plasmon resonance.

Original languageEnglish
Pages (from-to)2567-2570
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume267
Issue number16
DOIs
Publication statusPublished - 15 Aug 2009
Externally publishedYes

Keywords

  • Cobalt nanowires
  • Ion-track template
  • Magnetic anisotropy
  • Surface plasmon resonance

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