Random anisotropy model approach on ion beam sputtered Co20Cu80 granular alloy
Identifieur interne : 000B43 ( Main/Merge ); précédent : 000B42; suivant : 000B44Random 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.
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 :
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 KL and the local correlation length of anisotropy axis Ra, which is compared to the experimental grains size obtained by transmission electronic microscopy.
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Pascal:02-0366182Le document en format XML
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Cu<sub>80</sub>
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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>
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<series><title level="j" type="main">Journal of magnetism and magnetic materials</title>
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<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>
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<name sortKey="Abid, M" sort="Abid, M" uniqKey="Abid M" first="M." last="Abid">M. Abid</name>
<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>
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<country name="France"><region name="Grand Est"><name sortKey="Schmerber, G" sort="Schmerber, G" uniqKey="Schmerber G" first="G." last="Schmerber">G. Schmerber</name>
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<name sortKey="Dinia, A" sort="Dinia, A" uniqKey="Dinia A" first="A." last="Dinia">A. Dinia</name>
</country>
</tree>
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