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Fabrication and field emission property of a Si nanotip array

G. S. Huang, X. L. Wu, Y. C. Cheng, X. F. Li, S. H. Luo, T. Feng, Paul K. Chu

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Abstract

    Using a Si-based porous anodic alumina membrane as a mask, we demonstrate a way to pattern Si surface. After removing the SiO2 nanoislands formed during anodization of the Al/Si interface, we obtain a Si nanotip array on the surface of a Si wafer. This array shows an excellent field emission property with a low turn-on field of 8.5Vνm-1. The Fowler-Nordheim plot obtained is linearly dependent, indicating that the emission current arises from the quantum tunnelling effect. The Si nanotip array can be expected to have important applications in nanoelectronic devices. © IOP Publishing Ltd.
    Original languageEnglish
    Article number8
    Pages (from-to)5573-5576
    JournalNanotechnology
    Volume17
    Issue number22
    DOIs
    Publication statusPublished - 28 Nov 2006

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