Microstructure and Magnetic Properties of CoFe Nanowires and Helical Nanosprings

Da Yeon Nam, Su Hyo Kim, Yoo Sang Jeon, Young Keun Kim

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Magnetic nanosprings have applications in various fields, e.g., in sensors, actuators, and biomedical applications. However, it is difficult to synthesize them due to their complicated structure. Here, we report the synthesis of CoFe nanosprings by electrodeposition using vanadium oxide ions and ascorbic acid. The nanosprings have a helical structure and exist in the form of the Co53Fe47 alloy. Hysteresis curves of CoFe nanowire and nanospring arrays show soft ferromagnetic characteristics. The CoFe nanowires have shape anisotropy with an easy axis parallel to the array direction, whereas the CoFe nanosprings exhibit an isotropic behavior.

Original languageEnglish
Article number7917268
JournalIEEE Transactions on Magnetics
Volume53
Issue number11
DOIs
Publication statusPublished - 2017 Nov

Keywords

  • CoFe
  • electrodeposition
  • helical nanostructure
  • magnetic nanospring
  • magnetic nanowire

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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