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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/74845

    Title: Direct growth of β-FeSi2 nanowires with infrared emission, ferromagnetism at room temperature and high magnetoresistance via a spontaneous chemical reaction method
    Authors: Hung, Shih-Wei;Yeh, Ping-Hung;Chu, Li-Wei;Chen, Chii-Dong;Chou, Li-Jen;Wu, Yi-Jen;Chen, Lih-Juann
    Contributors: 淡江大學物理學系
    Date: 2011-02-17
    Issue Date: 2012-02-09 14:49:48 (UTC+8)
    Publisher: Cambridge: Royal Society of Chemistry
    Abstract: Self-catalyzed β-FeSi2 nanowires with a high aspect ratio have been synthesized by a spontaneous chemical vapor transport and reaction method. The as-synthesized single-crystalline β-FeSi2 nanowires exhibit photoluminescence at a wavelength of 1.54 μm, which is suitable for Si-based optical communication, at room temperature. The conductivity of a single-stem β-FeSi2 nanowire was found to increase with decreasing diameter. The room temperature ferromagnetism and high magnetoresistance performance of 6% at 200 K indicates that β-FeSi2 nanowires are potentially applicable for spintronic nanodevices.
    Relation: Journal of Materials Chemistry 21(15), pp.5704-5709
    DOI: 10.1039/C1JM10232J
    Appears in Collections:[Graduate Institute & Department of Physics] Journal Article

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