Field emission properties of undoped chemical vapor deposited diamond and diamondlike carbon films have been measured for a variety of different deposition conditions. The nature and appearance of the damage site after testing, together with the mathematical form of the observed current-voltage relations, are correlated with the conductivity of the film. This is consistent with a model for the overall current which is a combination of conduction mechanisms through the bulk of the film with Fowler-Nordheim tunneling.
This paper presents modelled results for optical absorption in ultra-thin films of nickel, gold and silver across the solar spectrum. It is found that in the case of nickel there is an optimum thickness for maximum solar absorption around 10-13 nm. This is a result of the real and imaginary parts of its refractive index being of similar magnitude across the solar spectrum which gives rise to very strong thin film absorption.
Radio frequency plasma chemical vapor deposited thin films of diamond-like carbon/ SiO 2 nanocomposites by way of tetraethoxysilane This article reports on a technique for patterning diamond nanogrit which utilizes commercial ink-jet printer technology. Diamond nanogrit as small as 50 nm has been successfully printed onto substrates of glass, silicon, copper, and fused quartz. The technique has been used to demonstrate a quick and simple means to seed patterned. nanocrystalline diamond films onto candidate substrates of potentially any conceivable size or shape.
Field emission properties of undoped chemical vapor deposited diamond and diamond-like carbon films have been measured for a variety of different deposition conditions. The nature and appearance of the damage site after testing has been investigated with scanning electron microscopy and laser Raman mapping. These observations, together with the mathematical form of the observed current-voltage relations, are correlated with the conductivity of the film. The results are consistent with a model for the overall emission current that combines conduction mechanisms through the bulk of the film with Fowler-Nordheim tunneling.
Improvement on electron field emission properties of nanocrystalline diamond films by co-doping of boron and nitrogen J.Defect structure and electron field-emission properties of boron-doped diamond films
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