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  • Size-Dependent Characteristics of Indium-Seeded Si Nanowire Growth

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    Author(s)
    Iacopi, F.
    Richard, O.
    Eichhammer, Y.
    Bender, H.
    ereecken, P.
    Gendt, Stefan
    Heyns, Marc
    Griffith University Author(s)
    Iacopi, Francesca
    Year published
    2008
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    Abstract
    Si nanowires were grown by a vapor-liquid-solid mechanism using indium catalyst particles with sizes between 10 and 200 nm. Transmission electron microscopy analysis indicates that the growth morphology of the nanostructures changes drastically when the particle size is only a few tens of nanometers. The larger wires are monocrystalline, growing with 111 orientation and limited tapering. The simultaneously grown smaller wires appear strongly tapered, due to an accumulation of amorphous Si on the sidewalls, and present a poor crystalline quality. A model based on the solubility of Si in the In-Si eutectic is proposed to ...
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    Si nanowires were grown by a vapor-liquid-solid mechanism using indium catalyst particles with sizes between 10 and 200 nm. Transmission electron microscopy analysis indicates that the growth morphology of the nanostructures changes drastically when the particle size is only a few tens of nanometers. The larger wires are monocrystalline, growing with 111 orientation and limited tapering. The simultaneously grown smaller wires appear strongly tapered, due to an accumulation of amorphous Si on the sidewalls, and present a poor crystalline quality. A model based on the solubility of Si in the In-Si eutectic is proposed to account for the size-dependent change of morphology.
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    Journal Title
    Electrochemical and Solid-State Letters
    Volume
    11
    Issue
    9
    DOI
    https://doi.org/10.1149/1.2945800
    Copyright Statement
    © The Electrochemical Society, Inc. 2008. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published in Electrochemical and Solid-State Letters, Vol. 11(9), pp. K98-K100.
    Subject
    Surfaces and Structural Properties of Condensed Matter
    Physical Chemistry (incl. Structural)
    Chemical Engineering
    Materials Engineering
    Publication URI
    http://hdl.handle.net/10072/44945
    Collection
    • Journal articles

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