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Fabrication of magnetic core–shell Fe nanowires by electrochemical deposition

  • Xiaoming Cao , Aiman Mukhtar EMAIL logo , Liyuan Gu and Kai Ming Wu
Published/Copyright: February 25, 2022
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 113 Issue 2

Abstract

Highly-ordered Fe nanowires (NWs) were successfully electrodeposited in a laboratory made anodic aluminum oxide template with a diameter of 30 nm. The as prepared Fe NWs were used as a substrate to prepare core–shell Fe@Fe3O4 NWs after annealing and hydrogen reduction at high temperature. The phase transformation of the oxide shell of electrodeposited Fe NWs took the form Fe2O3 → α-Fe2O3 → Fe3O4. Transmission electron microscopy images revealed that the surface of Fe@Fe x−1O x NWs was smooth and orderly, and the oxide layer was dense and uniform. The magnetic analysis of Fe@Fe x−1 O x nanowires was carried out using a vibrating sample magnetometer. It was found that Fe@Fe3O4 nanowires manifested the characteristics of super-paramagnetism in the direction perpendicular to the nanowires due to smaller coercive force, and they can be suitable material for future biomedical applications.

Keywords: AAO; Core–shell structure; Electrochemical deposition; NWs
Corresponding author: Aiman Mukhtar, The State Key Laboratory of Refractories and Metallurgy, Hubei Province Key Laboratory of Systems Science in Metallurgical Process, International Research Institute for Steel Technology, Collaborative Innovation Center for Advanced Steels, Wuhan University of Science and Technology, Wuhan, P. R. China, E-mail:

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: The authors are grateful to the financial support by Natural Science Foundation of China (Grant No. U1532268) and the Wuhan Science and Technology Program (Grant No. 2019010701011382).

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2021-06-17
Accepted: 2021-10-05
Published Online: 2022-02-25
Published in Print: 2022-02-23

© 2021 Walter de Gruyter GmbH, Berlin/Boston

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https://doi.org/10.1515/ijmr-2021-8423
Keywords for this article
AAO; Core–shell structure; Electrochemical deposition; NWs

Articles in the same Issue

  1. Frontmatter
  2. Original Papers
  3. Corrosion behavior of hydroxyapatite coated AZ31 and AZ91 Mg alloys by electrostatic spray coating
  4. Radiation synthesis and characterization of polymeric wet adhesives for attracting and trapping insects
  5. Promoting the effect of cationic substitution on thermal stability and redox properties of new synthesized Keggin type lacunary polyoxometalates (L-POMs) Ni2.5PMo11 M(H2O)O39 (M = Co, Fe, Cu, Zn)
  6. Investigation of the influence of the energy conditions of pulsed plasma-chemical synthesis on the morphological and structural properties of copper-containing silica-based nanocomposites
  7. A computational material study of HoB6 and Co/MgO–HoB6: heavy rare-earth metal hexaborides
  8. Effects of alloying elements on the microstructure and mechanical properties of as-cast Cr12MoV cold-working die steel
  9. The effects of rotational and traverse speeds and SiC particles on the microstructure and mechanical properties of AA 5052 in friction stir welding
  10. Influence of hot extrusion on the microstructure and mechanical properties of Al2O3/7075 aluminum matrix composites
  11. Short Communication
  12. Fabrication of magnetic core–shell Fe nanowires by electrochemical deposition
  13. News
  14. DGM – Deutsche Gesellschaft für Materialkunde
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