Magnetic properties of Co doped ZnO nanowires

Elena Matei 1Simon Granville 1Ionut Marius Enculescu 2Jean-Philippe Ansermet 2

1. National Institute for Materials Physics, Bucharest- Magurele 010555, Romania
2. Ecole Polytechnique Federale de Lausanne (EPFL), Ecublens, Lausanne 1015, Switzerland

Abstract

We employed template replication by electrochemical deposition as the technique to prepare transition metals doped zinc oxide nanowires. Polycarbonate nanoporous membranes obtained by swift heavy ions irradiation and subsequent etching were used as templates. The pores were filled with the desired material by electrochemical deposition from an aqueous bath. The properties of the nanowires were investigated by scanning electron microscopy, energy dispersive X ray analysis and optical spectroscopy. We investigated the effect of preparation condition (i.e. deposition potential, deposition bath composition) on nanostructures properties. We found that the magnetic properties are extremely sensitive to preparation conditions and accordingly can be easily tuned.

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Presentation: Poster at E-MRS Fall Meeting 2009, Symposium E, by Elena Matei
See On-line Journal of E-MRS Fall Meeting 2009

Submitted: 2009-05-25 17:25
Revised:   2009-08-13 17:36
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