CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000111

Magnetic and exchange studies in amorphous Co80-xHoxB20 alloys

Identifieur interne : 000111 ( Maroc/Analysis ); précédent : 000110; suivant : 000112

Magnetic and exchange studies in amorphous Co80-xHoxB20 alloys

Auteurs : O. El Marrakechi [Maroc] ; A. Kaal [Maroc] ; S. Sayouri [Maroc] ; M. Tlemcani [Maroc] ; H. Lassri [Maroc]

Source :

The European physical journal. B, Condensed matter physics [ 1434-6028 ] ; 2003.

RBID : Pascal:03-0437949

Descripteurs français

Pascal (Inist)
- Aimantation, Filage état liquide, Interaction échange, Moment magnétique, Champ intense, Théorie champ moyen, Dépendance température, Approximation champ moléculaire, Sous réseau, Matériau ferrimagnétique, Alliage amorphe, Alliage base cobalt, Holmium alliage, Bore alliage, Alliage ternaire, Etude expérimentale, Alliage CoBHo, B Co Ho, 7560E, 7550K.

English descriptors

KwdEn :
- Amorphous alloy, Boron alloys, Cobalt base alloys, Exchange interactions, Experimental study, Ferrimagnetic materials, High field, Holmium alloys, Magnetic moments, Magnetization, Mean-field theory, Melt spinning, Molecular field approximation, Sublattices, Temperature dependence, Ternary alloys.

Abstract

Amorphous Co_80-xHo_xB₂₀ alloys were prepared by melt spinning technique and their magnetic properties have been studied. The magnetic compensation occurs at about x = 8. Antiferromagnetic coupling between Co and Ho prevails and breaks at relatively high-fields. The mean field theory has been used to explain the temperature dependence of the magnetization The exchange interactions between Co-Co and Co-Ho atom pairs have been evaluated.

Affiliations:

Maroc

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to stream PascalFrancis, to step Curation: 000071
to stream PascalFrancis, to step Checkpoint: 000223
to stream Main, to step Merge: 000A72
to stream Main, to step Curation: 000A58
to stream Main, to step Exploration: 000A58
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Pascal:03-0437949

Le document en format XML

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Ho<sub>x</sub>
B<sub>20</sub>
 alloys</title>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Magnetic and exchange studies in amorphous Co<sub>80-x</sub>
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B<sub>20</sub>
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<term>Ferrimagnetic materials</term>
<term>High field</term>
<term>Holmium alloys</term>
<term>Magnetic moments</term>
<term>Magnetization</term>
<term>Mean-field theory</term>
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<term>Sublattices</term>
<term>Temperature dependence</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Aimantation</term>
<term>Filage état liquide</term>
<term>Interaction échange</term>
<term>Moment magnétique</term>
<term>Champ intense</term>
<term>Théorie champ moyen</term>
<term>Dépendance température</term>
<term>Approximation champ moléculaire</term>
<term>Sous réseau</term>
<term>Matériau ferrimagnétique</term>
<term>Alliage amorphe</term>
<term>Alliage base cobalt</term>
<term>Holmium alliage</term>
<term>Bore alliage</term>
<term>Alliage ternaire</term>
<term>Etude expérimentale</term>
<term>Alliage CoBHo</term>
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<front><div type="abstract" xml:lang="en">Amorphous Co<sub>80-x</sub>
Ho<sub>x</sub>
B<sub>20</sub>
 alloys were prepared by melt spinning technique and their magnetic properties have been studied. The magnetic compensation occurs at about x = 8. Antiferromagnetic coupling between Co and Ho prevails and breaks at relatively high-fields. The mean field theory has been used to explain the temperature dependence of the magnetization The exchange interactions between Co-Co and Co-Ho atom pairs have been evaluated.</div>
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Magnetic and exchange studies in amorphous Co80-xHoxB20 alloys

Magnetic and exchange studies in amorphous Co80-xHoxB20 alloys

Source :

Descripteurs français

English descriptors

Abstract

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