Electrodeposition of micropatterned Ni/Pt multilayers and segmented Ni/Pt/Ni nanowires

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Maijenburg, A.W. and George, A. and Samal, D. and Nijland, M. and Besselink, R. and Kuiper, B. and Kleibeuker, J.E. and Elshof, J.E. ten (2012) Electrodeposition of micropatterned Ni/Pt multilayers and segmented Ni/Pt/Ni nanowires. Electrochimica acta, 81 . 123 - 128. ISSN 0013-4686

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Abstract:During electrodeposition of a more noble metal on top of a less noble one, the galvanic replacement reaction prevents the formation of pure metal layers. So when depositing Pt on top of Ni to make Ni|Pt multilayers, or when making segmented nanowires containing Ni and Pt, the galvanic replacement reaction needs to be suppressed. As is shown here, at a potential of −0.6 V vs. Ag/AgCl (3 M KCl) for the deposition of Pt, no Ni was replaced and Ni|Pt (micropatterned) multilayers and Ni|Pt|Ni segmented nanowires were formed. Magnetization measurements showed the presence of two ferromagnetic phases, which can be of use for switching applications in magnetic devices
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/81891
Official URL:http://dx.doi.org/10.1016/j.electacta.2012.07.095
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