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    Band Gap Modulation in Single-Walled Carbon Nanotubes

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    chase-cnt-poster.pdf (642.8Kb)
    Date
    2011-02-08
    Author
    Chase, Brittany
    Crosby, Kevin
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    Subjects
    Carthage; Physics; carbon nanotube; CNT
    Abstract
    Carbon nanotube (CNT) structures represent a recently discovered (1991) phase of carbon. The CNT structure is best described as a single graphene sheet rolled into a seamless tube. They can be classified into three categories depending on the geometry of the graphene sheet edge: zig-zag, armchair, and chiral. The different structures determine the electronic and mechanical properties of the CNT. Each CNT is uniquely identified by the index pair (n,m) that define the translation vector C on the graphene lattice. C maps an origin atom to its periodic partner at the opposite edge of the lattice.
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    Research Poster
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