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Quantised Conductance - Doped Carbon Nanotubes

  1. Oct 1, 2011 #1
    As I understand it, carbon nanotube (CNT) exhibits quantised conductance (2e^2/h) because the mean free path length of carbon nanotubes are often longer than the length of the tubes.

    If one is to substitutionally dope CNTs (say armchair metallic CNTs) with other atoms of similar size, for example boron or nitrogen, does this mean that no increase in the conductance can be expected from the additional states introduced (as conductance is quantised)?

    Alternatively, would the conductance decrease because of reduced mean free path length caused by the doped atoms?
     
  2. jcsd
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