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Regulated Oxidation of Nickel in Multisegmented Nickel–Platinum Nanowires: An Entry to Wavy Nanopeapods

Authors

  • Dr. Yang Yang,

    Corresponding author
    1. Nanotechnology, Institute of Microsystems Engineering, Faculty of Engineering, Albert Ludwigs University of Freiburg, Georges-Köhler-Allee 103, 79110 Freiburg (Germany)
    • Nanotechnology, Institute of Microsystems Engineering, Faculty of Engineering, Albert Ludwigs University of Freiburg, Georges-Köhler-Allee 103, 79110 Freiburg (Germany)
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  • Dr. Lifeng Liu,

    Corresponding author
    1. Max Planck Institute of Microstructure Physics, Weinberg 2, 06120 Halle (Germany)
    • Max Planck Institute of Microstructure Physics, Weinberg 2, 06120 Halle (Germany)
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  • Firat Güder,

    1. Nanotechnology, Institute of Microsystems Engineering, Faculty of Engineering, Albert Ludwigs University of Freiburg, Georges-Köhler-Allee 103, 79110 Freiburg (Germany)
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  • Dr. Andreas Berger,

    1. Max Planck Institute of Microstructure Physics, Weinberg 2, 06120 Halle (Germany)
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  • Dr. Roland Scholz,

    1. Max Planck Institute of Microstructure Physics, Weinberg 2, 06120 Halle (Germany)
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  • Dr. Ole Albrecht,

    1. Nanotechnology, Institute of Microsystems Engineering, Faculty of Engineering, Albert Ludwigs University of Freiburg, Georges-Köhler-Allee 103, 79110 Freiburg (Germany)
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  • Prof. Margit Zacharias

    1. Nanotechnology, Institute of Microsystems Engineering, Faculty of Engineering, Albert Ludwigs University of Freiburg, Georges-Köhler-Allee 103, 79110 Freiburg (Germany)
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  • This work was supported by the German Research Foundation (DFG) under contract ZA 191/24-1.

Abstract

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„Nanoschoten“ aus hoch geordneten, gewellten NiO-Hülsen, die in gleichmäßigen Abständen Pt-Nanopartikel einschließen, wurden durch die Oxidation vielsegmentiger Ni-Pt-Nanodrähte bei tiefen Temperaturen erhalten. Die Ni-Pt-Grenzfläche verstärkt effizient die Diffusion von Ni nach außen im Zuge der Oxidation und erzeugt gezielt Leerstellen in Ni, die intrinsisch unkontrolliert entstehen.

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