CobaltMaghrebV1, Main, Exploration, bibRecord, 000A06

Growth and properties of electrodeposited cobalt films on Pt/Si(1 0 0) surface

Identifieur interne : 000A06 ( Main/Exploration ); précédent : 000A05; suivant : 000A07

Growth and properties of electrodeposited cobalt films on Pt/Si(1 0 0) surface

Auteurs : A. Azizi [Algérie] ; A. Sahari [Algérie] ; M. L. Felloussia [Algérie] ; G. Schmerber [France] ; C. Meny [France] ; A. Dinia [France]

Source :

Applied surface science [ 0169-4332 ] ; 2004.

RBID : Pascal:05-0035950

Descripteurs français

Pascal (Inist)
- Solution aqueuse, Source ion, pH, Diffusion(transport), Nucléation, Microscopie force atomique, Structure granulaire, Diffraction RX, Résonance magnétique nucléaire, Grosseur grain, Réseau hexagonal compact, Réseau cubique face centrée, Effet champ magnétique, Aimantation, Cobalt, Silicium, Croissance film, Dépôt électrolytique, Co, Si, Métal transition.
Wicri :
- topic : Cobalt.

English descriptors

KwdEn :
- Aqueous solutions, Atomic force microscopy, Cobalt, Diffusion, Electrodeposition, FCC lattices, Film growth, Grain size, Granular structure, HCP lattices, Ion sources, Magnetic field effects, Magnetization, Nuclear magnetic resonance, Nucleation, Silicon, Transition elements, XRD, pH value.

Abstract

In this paper, the growth, structural and magnetic properties of cobalt (Co) films electrodeposited on a Pt/Si(1 0 0) substrate have been investigated. Co films with metallic appearance were obtained from aqueous solution of 0.1 M CoSO₄, 10 mM CoCl₂ as the source of metal ions and I M Na₂SO₄ as a supporting electrolyte with 0.5 M H₃BO₃ at pH 4.2. This electrochemical technique indicated a deposition peak signature of limited diffusion growth with the transition from progressive to instantaneous nucleation mechanism. The atomic force microscopy (AFM) images showed a granular structure of the electrodeposited layers. X-ray measurements (XRD) and nuclear magnetic resonance (NMR) indicate a small grain size with the presence of a mixture of Co hcp and fcc structures. The magnetic properties of the deposited films were investigated with a magnetic field in the parallel and perpendicular direction and showed that the easy magnetization axis is in the plane.

Affiliations:

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Le document en format XML

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<term>Cobalt</term>
<term>Diffusion</term>
<term>Electrodeposition</term>
<term>FCC lattices</term>
<term>Film growth</term>
<term>Grain size</term>
<term>Granular structure</term>
<term>HCP lattices</term>
<term>Ion sources</term>
<term>Magnetic field effects</term>
<term>Magnetization</term>
<term>Nuclear magnetic resonance</term>
<term>Nucleation</term>
<term>Silicon</term>
<term>Transition elements</term>
<term>XRD</term>
<term>pH value</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Solution aqueuse</term>
<term>Source ion</term>
<term>pH</term>
<term>Diffusion(transport)</term>
<term>Nucléation</term>
<term>Microscopie force atomique</term>
<term>Structure granulaire</term>
<term>Diffraction RX</term>
<term>Résonance magnétique nucléaire</term>
<term>Grosseur grain</term>
<term>Réseau hexagonal compact</term>
<term>Réseau cubique face centrée</term>
<term>Effet champ magnétique</term>
<term>Aimantation</term>
<term>Cobalt</term>
<term>Silicium</term>
<term>Croissance film</term>
<term>Dépôt électrolytique</term>
<term>Co</term>
<term>Si</term>
<term>Métal transition</term>
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<front><div type="abstract" xml:lang="en">In this paper, the growth, structural and magnetic properties of cobalt (Co) films electrodeposited on a Pt/Si(1 0 0) substrate have been investigated. Co films with metallic appearance were obtained from aqueous solution of 0.1 M CoSO<sub>4</sub>
, 10 mM CoCl<sub>2</sub>
 as the source of metal ions and I M Na<sub>2</sub>
SO<sub>4</sub>
 as a supporting electrolyte with 0.5 M H<sub>3</sub>
BO<sub>3</sub>
 at pH 4.2. This electrochemical technique indicated a deposition peak signature of limited diffusion growth with the transition from progressive to instantaneous nucleation mechanism. The atomic force microscopy (AFM) images showed a granular structure of the electrodeposited layers. X-ray measurements (XRD) and nuclear magnetic resonance (NMR) indicate a small grain size with the presence of a mixture of Co hcp and fcc structures. The magnetic properties of the deposited films were investigated with a magnetic field in the parallel and perpendicular direction and showed that the easy magnetization axis is in the plane.</div>
</front>
</TEI>
<affiliations><list><country><li>Algérie</li>
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<name sortKey="Meny, C" sort="Meny, C" uniqKey="Meny C" first="C." last="Meny">C. Meny</name>
</country>
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</record>

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Growth and properties of electrodeposited cobalt films on Pt/Si(1 0 0) surface

Growth and properties of electrodeposited cobalt films on Pt/Si(1 0 0) surface

Source :

Descripteurs français

English descriptors

Abstract

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

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri