Novel self-assembled nanostructured alumina array with nanoscale grooves

Haixin Chang, Nanlin Shi, Jun Gong, Yifu Guan

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A unique novel self-assembled nanostructured alumina array with nanoscale grooves can be induced and controlled in nanometer dimension by a general electrochemical oxidation of aluminum in sulfuric acid. Almost inter-perpendicular self-assembled alumina nanostructure arrays separated by a few tens nanometer thick interface sheet were also observed in many domains. And the formation of this nanostructured array is considered as the result of the special competition balance between electrochemical oxidation and etching. Because of similarities of aluminum anodization with semiconductor anodization, our results may be proved useful for Si or GaAs nanostructure synthesis.

    Original languageEnglish
    Pages (from-to)4891-4894
    Number of pages4
    JournalApplied Surface Science
    Volume253
    Issue number11
    DOIs
    Publication statusPublished - 2007 Mar 30

    Keywords

    • Anodization
    • Electrochemical oxidation
    • Nanoscale grooves
    • Nanostructured alumina array
    • Self-assembled

    ASJC Scopus subject areas

    • Chemistry(all)
    • Condensed Matter Physics
    • Physics and Astronomy(all)
    • Surfaces and Interfaces
    • Surfaces, Coatings and Films

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