CobaltMaghrebV1, France, Analysis, bibRecord, 000050

A study on electrodeposited Co-Mo alloys thin films

Identifieur interne : 000050 ( France/Analysis ); précédent : 000049; suivant : 000051

A study on electrodeposited Co-Mo alloys thin films

Auteurs : Y. Messaoudi [Algérie] ; N. Fenineche [France] ; A. Guittoum [Algérie] ; A. Azizi [Algérie] ; G. Schmerber [France] ; A. Dinia [France]

Source :

Journal of materials science. Materials in electronics [ 0957-4522 ] ; 2013.

RBID : Pascal:13-0248859

Descripteurs français

Pascal (Inist)
- Dépôt électrolytique, Taux concentration, Phénomène transitoire, Nucléation, Revêtement protecteur, Microscopie électronique balayage, Diffraction RX, Magnétomètre, Codépôt, Modèle 3 dimensions, Diffusion(transport), Microstructure, Morphologie, Propriété magnétique, Cobalt alliage, Molybdène, Couche mince, Ruthénium, Hydrogène, Réseau hexagonal compact, Fabrication microélectronique, 6460Q, 0779, 6630P, 66, 6865, 7575, 8540H.
Wicri :
- topic : Molybdène, Hydrogène.

English descriptors

KwdEn :
- Cobalt alloy, Codeposition, Concentration factor, Diffusion, Electrodeposition, HCP lattices, Hydrogen, Magnetic properties, Magnetometers, Microelectronic fabrication, Microstructure, Molybdenum, Morphology, Nucleation, Protective coatings, Ruthenium, Scanning electron microscopy, Thin film, Three dimensional model, Transients, X ray diffraction.

Abstract

Cobalt-Molybdenum (Co-Mo) induced electrodeposition has been studied from a sulphate bath on Ru electrodes at pH 4. The conditions of electrodeposition of Co-Mo alloys were determined using the cyclic voltametry at different ions concentration ratios. The theoretical model of Scharifker-Hills was used to analyse the current transients for studying the first stage of nucleation of Co-Mo alloys. The electrodeposited coatings were analysed by scanning electron microscopy, X-rays diffraction and alternating gradient force magnetometer techniques. The cyclic voltametry shows that the codeposition of Co-Mo alloys was accompanied by concurrent reactions such as the formation of the molybdenum oxides and the hydrogen evolution reaction. For the electrodeposited Co-Mo, the nucleation is in good agreement with the instantaneous nucleation and three-dimensional (3D) diffusion-limited growth. Co-Mo thin films of an hcp structure have been obtained, and the electrodeposition parameters such as the applied potential have a great influence on the structure, morphology and magnetic properties.

Affiliations:

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Pascal:13-0248859

Le document en format XML

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<front><div type="abstract" xml:lang="en">Cobalt-Molybdenum (Co-Mo) induced electrodeposition has been studied from a sulphate bath on Ru electrodes at pH 4. The conditions of electrodeposition of Co-Mo alloys were determined using the cyclic voltametry at different ions concentration ratios. The theoretical model of Scharifker-Hills was used to analyse the current transients for studying the first stage of nucleation of Co-Mo alloys. The electrodeposited coatings were analysed by scanning electron microscopy, X-rays diffraction and alternating gradient force magnetometer techniques. The cyclic voltametry shows that the codeposition of Co-Mo alloys was accompanied by concurrent reactions such as the formation of the molybdenum oxides and the hydrogen evolution reaction. For the electrodeposited Co-Mo, the nucleation is in good agreement with the instantaneous nucleation and three-dimensional (3D) diffusion-limited growth. Co-Mo thin films of an hcp structure have been obtained, and the electrodeposition parameters such as the applied potential have a great influence on the structure, morphology and magnetic properties.</div>
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A study on electrodeposited Co-Mo alloys thin films

A study on electrodeposited Co-Mo alloys thin films

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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