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El Mel, A. A., Bouts, N., Grigore, E., Gautron, E., Granier, A., Angleraud, B. & Tessier, P. Y. (2012) Shape control of nickel nanostructures incorporated in amorphous carbon films: From globular nanoparticles toward aligned nanowires. J. Appl. Phys. 111 114309.
Added by: Laurent Cournède (2016-03-10 21:28:39) |
| Type de référence: Article DOI: 10.1063/1.4728164 Numéro d'identification (ISBN etc.): 0021-8979 Clé BibTeX: ElMel2012b Voir tous les détails bibliographiques  |
Catégories: PCM Mots-clés: c nanocomposite, composite thin-films, diamond-like carbon, hard coatings, magnetic-properties, mechanical-properties, microstructural evolution, nanocomposite films, phase-separation, xps spectra Créateurs: Angleraud, Bouts, El Mel, Gautron, Granier, Grigore, Tessier Collection: J. Appl. Phys. |
Consultations : 1/579
Indice de consultation : 4% Indice de popularité : 1% |
| Résumé |
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The growth of nickel/carbon nanocomposite thin films by a hybrid plasma process, which combines magnetron sputtering and plasma enhanced chemical vapor deposition, has been investigated. This study has shown that the films consist of nickel-rich nanostructures embedded in an amorphous carbon matrix. The size, the distribution, the density, and the shape of these nanostructures are directly dependent to the total carbon content within the films. At low carbon content (similar to 28 at. \%), dense nanowire array perpendicularly oriented to the surface of the substrate can be fabricated. For an intermediate carbon concentration (similar to 35 at. \%), the nickel phase was organized into elongated nanoparticles. These nanoparticles became spherical when reaching a higher carbon content (similar to 54 at. \%). The extensive structural study allowed the representation of a structure zone diagram, as well as, the development of a scenario describing the growth mechanisms that take place during the deposition of such nanocomposite material. (C) 2012 American Institute of Physics. [ttp://dx.doi.org/10.1063/1.4728164]
Added by: Laurent Cournède |