Magnetic and exchange studies in amorphous Co80-xHoxB20 alloys
Identifieur interne : 000071 ( PascalFrancis/Curation ); précédent : 000070; suivant : 000072Magnetic 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.
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 :
Abstract
Amorphous Co80-xHoxB20 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.
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Ho<sub>x</sub>
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Ho<sub>x</sub>
B<sub>20</sub>
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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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