NickelMaghrebV1, France, Analysis, bibRecord, 000101

Morphology, structure, and magnetic properties of electrodeposited Ni films obtained from different pH solutions

Identifieur interne : 000101 ( France/Analysis ); précédent : 000100; suivant : 000102

Morphology, structure, and magnetic properties of electrodeposited Ni films obtained from different pH solutions

Auteurs : M. Boubatra [Algérie] ; A. Azizi [Algérie] ; G. Schmerber [France] ; A. Dinia [France]

Source :

Journal of materials science. Materials in electronics [ 0957-4522 ] ; 2011.

RBID : Pascal:12-0018277

Descripteurs français

Pascal (Inist)
- Microstructure, Propriété magnétique, Dépôt électrolytique, Solution aqueuse, Microscopie électronique balayage, Diffraction RX, Magnétométrie, Aimantation saturation, Structure granulaire, Conception compacte, Structure surface, Rugosité, Texture, Champ coercitif, Force coercitive, Nanocristal, Nickel, Réseau cubique, Réseau cubique face centrée, Fabrication microélectronique, 6865, 7575, 0779, 6146, 8540H.
Wicri :
- topic : Nickel.

English descriptors

KwdEn :
- Aqueous solutions, Coercive force, Compact design, Cubic lattices, Electrodeposition, FCC lattices, Granular structure, Magnetic properties, Magnetometry, Microelectronic fabrication, Microstructure, Nanocrystal, Nickel, Roughness, Saturation magnetization, Scanning electron microscopy, Surface structure, Texture, XRD.

Abstract

Nanocrystalline nickel (Ni) films were obtained by electrodeposition from chloride aqueous solution with different pH values. The influence of electrolyte pH on the morphological, structural, and magnetic properties is studied, using scanning electron microscopy (SEM), X-ray diffraction (XRD), and alternating gradient force magnetometry (AGFM) techniques. SEM studies revealed a granular and compact structure of the surface of the electrodeposited Ni layers, and the variation of film roughness with bath pH is established. XRD analysis gives evidence of strongly textured Ni films along the (111) direction, with the face-centered cubic (fcc) structure for all baths pH. Magnetic properties such as coercivity, remanence, saturation magnetization, and squareness showed strong dependence on the baths pH and crystallite size. High coercivity was attributed to the presence of the small crystallite size of deposits. The properties of the deposit are greatly influenced by the solution pH.

Affiliations:

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Le document en format XML

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<term>Coercive force</term>
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<term>Cubic lattices</term>
<term>Electrodeposition</term>
<term>FCC lattices</term>
<term>Granular structure</term>
<term>Magnetic properties</term>
<term>Magnetometry</term>
<term>Microelectronic fabrication</term>
<term>Microstructure</term>
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<term>Propriété magnétique</term>
<term>Dépôt électrolytique</term>
<term>Solution aqueuse</term>
<term>Microscopie électronique balayage</term>
<term>Diffraction RX</term>
<term>Magnétométrie</term>
<term>Aimantation saturation</term>
<term>Structure granulaire</term>
<term>Conception compacte</term>
<term>Structure surface</term>
<term>Rugosité</term>
<term>Texture</term>
<term>Champ coercitif</term>
<term>Force coercitive</term>
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<term>Nickel</term>
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<term>7575</term>
<term>0779</term>
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<front><div type="abstract" xml:lang="en">Nanocrystalline nickel (Ni) films were obtained by electrodeposition from chloride aqueous solution with different pH values. The influence of electrolyte pH on the morphological, structural, and magnetic properties is studied, using scanning electron microscopy (SEM), X-ray diffraction (XRD), and alternating gradient force magnetometry (AGFM) techniques. SEM studies revealed a granular and compact structure of the surface of the electrodeposited Ni layers, and the variation of film roughness with bath pH is established. XRD analysis gives evidence of strongly textured Ni films along the (111) direction, with the face-centered cubic (fcc) structure for all baths pH. Magnetic properties such as coercivity, remanence, saturation magnetization, and squareness showed strong dependence on the baths pH and crystallite size. High coercivity was attributed to the presence of the small crystallite size of deposits. The properties of the deposit are greatly influenced by the solution pH.</div>
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Morphology, structure, and magnetic properties of electrodeposited Ni films obtained from different pH solutions

Morphology, structure, and magnetic properties of electrodeposited Ni films obtained from different pH solutions

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)

Pour mettre un lien sur cette page dans le réseau Wicri