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Electrical properties of monodispersed detonation nanodiamonds

Chaudhary, A; Welch, JO; Jackman, RB; (2010) Electrical properties of monodispersed detonation nanodiamonds. APPL PHYS LETT , 96 (24) , Article 242903. 10.1063/1.3446966.

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The electrical properties of monodispersed detonation nanodiamonds (DNDs) have been studied; a resistivity of the order of 10(12) Omega/sq has been determined, with only one significant conduction pathway being observed. The dielectric character of the DND particles is also good, with dielectric loss tangent values in the range 0.05-0.5 being recorded. These combined observations suggest DNDs behave in electrical terms similar to thin film diamond, and that electrical applications for DNDs are worthy of pursuit. Since a simple room temperature sonication process has been used for their deposition, coating a wide-range of three-dimensional substrate materials will be possible. A limitation on the electrical use the monodispersed DNDs, at least in the untreated, as-deposited from solution form used here, is the catastrophic loss of diamond-like character at temperatures above 400 degrees C. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3446966]

Type: Article
Title: Electrical properties of monodispersed detonation nanodiamonds
DOI: 10.1063/1.3446966
Keywords: detonation, diamond, dielectric losses, electrical conductivity, electrical resistivity, nanoparticles, CVD DIAMOND, IMPEDANCE MEASUREMENTS, EXPLOSIVE DETONATION, EMISSION, FILMS
URI: http://discovery.ucl.ac.uk/id/eprint/138821
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