CobaltMaghrebV1, France, Analysis, bibRecord, 000247

Random anisotropy model approach on ion beam sputtered Co20Cu80 granular alloy

Identifieur interne : 000247 ( France/Analysis ); précédent : 000246; suivant : 000248

Random anisotropy model approach on ion beam sputtered Co20Cu80 granular alloy

Auteurs : H. Errahmani [Maroc] ; N. Hassanaïn [Maroc] ; A. Berrada [Maroc] ; M. Abid [Maroc] ; H. Lassri [Maroc] ; G. Schmerber [France] ; A. Dinia [France]

Source :

Journal of magnetism and magnetic materials [ 0304-8853 ] ; 2002.

RBID : Pascal:02-0366182

Descripteurs français

Pascal (Inist)
- Effet aléatoire, Anisotropie magnétique, Faisceau ion, Pulvérisation faisceau ionique, Propriété magnétique, Dépendance température, Onde spin, Rigidité, Interaction échange, Longueur corrélation, Grosseur grain, Microscopie électronique transmission, Cuivre alliage, Cobalt alliage, Alliage binaire, Alliage CoCu, Co Cu, Co20Cu80, 7540G, 7530G.

English descriptors

KwdEn :
- Binary alloys, Cobalt alloys, Copper alloys, Correlation length, Exchange interactions, Grain size, Ion beam sputtering, Ion beams, Magnetic anisotropy, Magnetic properties, Random effect, Spin waves, Stiffness, Temperature dependence, Transmission electron microscopy.

Abstract

The Co₂₀Cu₈₀ granular film has been elaborated using ion beam sputtering technique. The magnetic properties of the sample were studied in the temperature range 5-300 K at H ≤ 50 kOe. From the thermomagnetisation curve, which is found to obey to the Bloch law, we have extracted the spin wave stiffness constant D and the exchange constant A. The magnetic experimental results have been interpreted in the framework of random anisotropy model. We have determined the local anisotropy constant K_L and the local correlation length of anisotropy axis R_a, which is compared to the experimental grains size obtained by transmission electronic microscopy.

Affiliations:

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

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Links to Exploration step

Pascal:02-0366182

Le document en format XML

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Cu<sub>80</sub>
 granular alloy</title>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Random anisotropy model approach on ion beam sputtered Co<sub>20</sub>
Cu<sub>80</sub>
 granular alloy</title>
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<author><name sortKey="Dinia, A" sort="Dinia, A" uniqKey="Dinia A" first="A." last="Dinia">A. Dinia</name>
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<series><title level="j" type="main">Journal of magnetism and magnetic materials</title>
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</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Binary alloys</term>
<term>Cobalt alloys</term>
<term>Copper alloys</term>
<term>Correlation length</term>
<term>Exchange interactions</term>
<term>Grain size</term>
<term>Ion beam sputtering</term>
<term>Ion beams</term>
<term>Magnetic anisotropy</term>
<term>Magnetic properties</term>
<term>Random effect</term>
<term>Spin waves</term>
<term>Stiffness</term>
<term>Temperature dependence</term>
<term>Transmission electron microscopy</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Effet aléatoire</term>
<term>Anisotropie magnétique</term>
<term>Faisceau ion</term>
<term>Pulvérisation faisceau ionique</term>
<term>Propriété magnétique</term>
<term>Dépendance température</term>
<term>Onde spin</term>
<term>Rigidité</term>
<term>Interaction échange</term>
<term>Longueur corrélation</term>
<term>Grosseur grain</term>
<term>Microscopie électronique transmission</term>
<term>Cuivre alliage</term>
<term>Cobalt alliage</term>
<term>Alliage binaire</term>
<term>Alliage CoCu</term>
<term>Co Cu</term>
<term>Co20Cu80</term>
<term>7540G</term>
<term>7530G</term>
</keywords>
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<front><div type="abstract" xml:lang="en">The Co<sub>20</sub>
Cu<sub>80</sub>
 granular film has been elaborated using ion beam sputtering technique. The magnetic properties of the sample were studied in the temperature range 5-300 K at H ≤ 50 kOe. From the thermomagnetisation curve, which is found to obey to the Bloch law, we have extracted the spin wave stiffness constant D and the exchange constant A. The magnetic experimental results have been interpreted in the framework of random anisotropy model. We have determined the local anisotropy constant K<sub>L</sub>
 and the local correlation length of anisotropy axis R<sub>a</sub>
, which is compared to the experimental grains size obtained by transmission electronic microscopy.</div>
</front>
</TEI>
<affiliations><list><country><li>France</li>
<li>Maroc</li>
</country>
<region><li>Alsace (région administrative)</li>
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<name sortKey="Berrada, A" sort="Berrada, A" uniqKey="Berrada A" first="A." last="Berrada">A. Berrada</name>
<name sortKey="Hassanain, N" sort="Hassanain, N" uniqKey="Hassanain N" first="N." last="Hassanaïn">N. Hassanaïn</name>
<name sortKey="Lassri, H" sort="Lassri, H" uniqKey="Lassri H" first="H." last="Lassri">H. Lassri</name>
</country>
<country name="France"><region name="Grand Est"><name sortKey="Schmerber, G" sort="Schmerber, G" uniqKey="Schmerber G" first="G." last="Schmerber">G. Schmerber</name>
</region>
<name sortKey="Dinia, A" sort="Dinia, A" uniqKey="Dinia A" first="A." last="Dinia">A. Dinia</name>
</country>
</tree>
</affiliations>
</record>

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Random anisotropy model approach on ion beam sputtered Co20Cu80 granular alloy

Random anisotropy model approach on ion beam sputtered Co20Cu80 granular alloy

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