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Publication Detail
Electrical properties of aggregated detonation nanodiamonds
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Bevilacqua M, Patel S, Chaudhary A, Ye H, Jackman RB
  • Publication date:
    2008
  • Pagination:
    132115, ?
  • Journal:
    Applied Physics Letters
  • Volume:
    93
  • Issue:
    13
  • Print ISSN:
    0003-6951
  • Keywords:
    diamond, nanotechnology, nanodiamond, electronics
Abstract
Nanometer-scale diamonds formed using a detonation process are an interesting class of diamond materials. Commercially supplied material is highly aggregated with ~5nm diamond crystals forming particles with micron sizes. Previous models have suggested that non-diamond is incorporated carbon between the crystals, which would reduce the electrical and chemical usefulness of this form of diamond. However, using Impedance Spectroscopy we have shown that at temperatures below 3500C the form of detonation nanodiamond being studied is a near-to ideal dielectric, implying a fully sp3 form. At temperatures above this the surfaces of the diamond crystals may support some non-diamond carbon.
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