CobaltMaghrebV1, France, Analysis, bibRecord, 000162

Magnetic and structural properties of evaporated CoxCr1- x/Si(1 00) and CoxCr1- x/glass thin films

Identifieur interne : 000162 ( France/Analysis ); précédent : 000161; suivant : 000163

Magnetic and structural properties of evaporated CoxCr1- x/Si(1 00) and CoxCr1- x/glass thin films

Auteurs : A. Kharmouche [Algérie] ; S.-M. Cherif [France] ; G. Schmerber [France] ; A. Bourzami [Algérie]

Source :

Journal of magnetism and magnetic materials [ 0304-8853 ] ; 2007.

RBID : Pascal:07-0052715

Descripteurs français

Pascal (Inist)
- Propriété magnétique, Evaporation sous vide, Epaisseur, Aimantation saturation, Force coercitive, Microscopie force magnétique, Structure domaine, Spectre Brillouin, Hystérésis magnétique, Domaine magnétique, Substrat, Chrome alliage, Couche mince, Réseau hexagonal compact, Cobalt alliage, Métal transition alliage, 7570C, 7570K, Domaine en rubans.

English descriptors

KwdEn :
- Brillouin spectra, Chromium alloys, Cobalt alloys, Coercive force, Domain structure, HCP lattices, Magnetic domains, Magnetic force microscopy, Magnetic hysteresis, Magnetic properties, Saturation magnetization, Stripe domains, Substrates, Thickness, Thin films, Transition element alloys, Vacuum evaporation.

Abstract

Series of Co_xCr_1-x thin films have been evaporated under vacuum onto Si(1 0 0) and glass substrates, where x variations were between 0.51 and 0.61. Thickness ranges from 350 to 4000 A. DRX measurements show an hcp structure. AGFM measurement gives saturation magnetization ranging from a negligible value to 120 emu/cm³. Coercive field may reach values up to 200 Oe, depending on the percentage of chromium. The saturation magnetization decreases as the Cr content increases. Magnetic force microscopy (MFM) study reveals the absence of stripe domains equilibrium magnetization structure. Brillouin light scattering (BLS) measurements were possible only for the 1800 A thick sample. They confirm, through the derived magnetic parameters, the absence of stripe magnetic domains as observed by MFM on one hand, and, on the other hand, the adjustment of theoretical and experimental results lead to a stiffness constant 10 times lower than pure Co one. These results are analyzed and correlated.

Affiliations:

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Pascal:07-0052715

Le document en format XML

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 <sub>x</sub>
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Cr<sub>1-</sub>
 <sub>x</sub>
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<term>Domain structure</term>
<term>HCP lattices</term>
<term>Magnetic domains</term>
<term>Magnetic force microscopy</term>
<term>Magnetic hysteresis</term>
<term>Magnetic properties</term>
<term>Saturation magnetization</term>
<term>Stripe domains</term>
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<term>Thickness</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Propriété magnétique</term>
<term>Evaporation sous vide</term>
<term>Epaisseur</term>
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<term>Force coercitive</term>
<term>Microscopie force magnétique</term>
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<term>Spectre Brillouin</term>
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<term>Couche mince</term>
<term>Réseau hexagonal compact</term>
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<front><div type="abstract" xml:lang="en">Series of Co<sub>x</sub>
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. Coercive field may reach values up to 200 Oe, depending on the percentage of chromium. The saturation magnetization decreases as the Cr content increases. Magnetic force microscopy (MFM) study reveals the absence of stripe domains equilibrium magnetization structure. Brillouin light scattering (BLS) measurements were possible only for the 1800 A thick sample. They confirm, through the derived magnetic parameters, the absence of stripe magnetic domains as observed by MFM on one hand, and, on the other hand, the adjustment of theoretical and experimental results lead to a stiffness constant 10 times lower than pure Co one. These results are analyzed and correlated.</div>
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Magnetic and structural properties of evaporated CoxCr1- x/Si(1 00) and CoxCr1- x/glass thin films

Magnetic and structural properties of evaporated CoxCr1- x/Si(1 00) and CoxCr1- x/glass 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)

Pour mettre un lien sur cette page dans le réseau Wicri