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Electrochemical synthesis of core-shell magnetic nanowires

AuthorsOvejero, Jesús G.; Bran, Cristina; Vilanova, Enrique; Kosel, Jürgen; Morales, M. P. ; Vázquez Villalabeitia, Manuel
Issue Date1-Sep-2015
CitationJournal of Magnetism and Magnetic Materials 389: 144-147 (2015)
Abstract(Fe, Ni, CoFe) @ Au core-shell magnetic nanowires have been synthesized by optimized two-step potentiostatic electrodeposition inside self-assembled nanopores of anodic aluminium templates. The optimal electrochemical parameters (e.g., potential) have been firstly determined for the growth of continuous Au nanotubes at the inner wall of pores. Then, a magnetic core was synthesized inside the Au shells under suitable electrochemical conditions for a wide spectrum of single elements and alloy compositions (e.g., Fe, Ni and CoFe alloy). Novel opportunities offered by such nanowires are discussed particularly, the magnetic behavior of (Fe, Ni, CoFe) @ Au core-shell nanowires was tested and compared with that of bare nanowires. These core-shell nanowires can be released from the template thereby opening novel opportunities for biofunctionalization of individual nanowires.
Publisher version (URL)https://doi.org/10.1016/j.jmmm.2015.04.059
Identifiersdoi: 10.1016/j.jmmm.2015.04.059
issn: 0304-8853
Appears in Collections:(ICMM) Artículos
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