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Microstructure and Magnetic Properties of CoFe Nanowires and Helical Nanosprings
- Authors
- Nam, Da Yeon; Kim, Su Hyo; Jeon, Yoo Sang; Kim, Young Keun
- Issue Date
- 11월-2017
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- CoFe; electrodeposition; helical nanostructure; magnetic nanospring; magnetic nanowire
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.53, no.11
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 53
- Number
- 11
- ISSN
- 0018-9464
- 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.
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