2006
DOI: 10.1590/s0100-40422006000100023
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Filmes de nanodiamantes para aplicações em sistemas eletroquímicos e tecnologia aeroespacial

Abstract: Recebido em 13/10/04; aceito em 20/5/05; publicado na web em 25/11/05 NANODIAMOND FILMS FOR APPLICATIONS IN ELECTROCHEMICAL SYSTEMS AND AERONAUTICS AND SPACE TECHNOLOGY. The goal of this work is to show the use of undoped nanodiamond films as a new material for electrochemical and aerospace applications. Correlation between the applications and physico-chemical features of nano and conventional CVD polycrystalline diamond films are presented. An important and innovative application of these nanodiamonds is org… Show more

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Cited by 15 publications
(10 citation statements)
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“…It is found that the position of the (111) peaks downshifts with increasing boron doping quantity, which indicates an expansion of the lattice parameter induced by boron incorporation in the impurity bond of boron [26][27][28][29][30]. Figure 11 shows cyclic voltammograms of a platinum and BDD electrodes [31][32][33][34] with B/C ratios 0.3, 0.5, and 2.0% in 0.2 M KNO 3 . It was found that the potential window of BDD electrodes is clearly the widest in comparison with that of the conventional Pt material.…”
Section: B Growth Rate Of Boron-doped Diamond Filmsmentioning
confidence: 99%
“…It is found that the position of the (111) peaks downshifts with increasing boron doping quantity, which indicates an expansion of the lattice parameter induced by boron incorporation in the impurity bond of boron [26][27][28][29][30]. Figure 11 shows cyclic voltammograms of a platinum and BDD electrodes [31][32][33][34] with B/C ratios 0.3, 0.5, and 2.0% in 0.2 M KNO 3 . It was found that the potential window of BDD electrodes is clearly the widest in comparison with that of the conventional Pt material.…”
Section: B Growth Rate Of Boron-doped Diamond Filmsmentioning
confidence: 99%
“…Aliada a essa dificuldade está a da noção de incompletude dos contratos (Azevedo, 2000), onde esses não conseguem prever todas as contingências futuras, mesmo porque os contextos se alteram, inovações tecnológicas e de comportamento surgem, sendo necessária a sua constante revisão. Isso sem falar que no momento de uma compra é impossível se ter todas as informações relevantes sobre o produto.…”
Section: A Abordagem Institucionalunclassified
“…Typically, the gas mixture used to obtain diamond films consists of hydrogen and methane. For nanofilms, an inert gas, such as argon or helium, is used in addition to the mixture of hydrogen and methane, in order to promote a continuous transition of grain size from micro to nanocrystalline 11 . Since diamond surface has a high resistivity, doping with boron is performed in order to obtain semiconducting characteristics.…”
Section: Introductionmentioning
confidence: 99%