Paper Title:
Electrochemical Preparation of Magnetic Nanowires
  Abstract

Electrochemistry is a method, which can be used for creation of nanomaterials. This method has big advantage such as no restriction for shape and size of the sample and do not need to involve expensive equipment for the sample preparation. In the paper the preparation of Fe nanowires as well as Co and Ni are presented. The diameter and length of obtained nanowires can be tuned by properties of the template porous material and time of deposition, respectively. The quality of the nanowires depends also from deposition mode (AC - alternating current or DC - constant current) and pH of the solution. The anodization conducted in oxalic acid allows us to obtain anodic alumina oxide (AAO) with the smallest pore diameter of about 40 nm. Usage of phosphoric acid results in largest pores with diameter around 120 nm. The deposited material inside the pores has diameter of the templates. The length can be as large as the thickness of the oxide and reach up to around 1 μm. The wires shows magnetization direction along main axis. The morphology of wires were studied by atomic force microscopy (AFM) and scanning electron microscopy (SEM). The magnetic characterization of the structures was done by magnetic force microscopy (MFM) and Mössbauer spectroscopy.

  Info
Periodical
Solid State Phenomena (Volume 151)
Edited by
Erich Kny
Pages
190-196
DOI
10.4028/www.scientific.net/SSP.151.190
Citation
B. Kalska Szostko, E. Brancewicz, W. Olszewski, K. Szymański, A. Sidor, J. Sveklo, P. Mazalski, "Electrochemical Preparation of Magnetic Nanowires", Solid State Phenomena, Vol. 151, pp. 190-196, 2009
Online since
April 2009
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