CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000217

Magnetization study of Co-Fe-Mn-B-Si amorphous alloys

Identifieur interne : 000217 ( Maroc/Analysis ); précédent : 000216; suivant : 000218

Magnetization study of Co-Fe-Mn-B-Si amorphous alloys

Auteurs : H. Lassri [Maroc] ; H. Arhchoui [Maroc] ; S. Sayouri [Maroc] ; M. Abid [Maroc] ; R. Krishnan [France]

Source :

Physica status solidi. A. Applied research [ 0031-8965 ] ; 1996.

RBID : Pascal:97-0122305

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Aimantation, Moment magnétique, Effet concentration, Interaction échange, Ferromagnétisme, Anisotropie magnétique, Longueur corrélation, Etat amorphe, Alliage base fer, Cobalt alliage, Manganèse alliage, Bore alliage, Silicium alliage, Alliage multiélément, 7530G, 7550B, Alliage BCoFeMnSi, B Co Fe Mn Si.

English descriptors

KwdEn :
- Amorphous state, Boron alloys, Cobalt alloys, Correlation length, Exchange interactions, Experimental study, Ferromagnetism, Iron base alloys, Magnetic anisotropy, Magnetic moments, Magnetization, Manganese alloys, Multi-element alloys, Quantity ratio, Silicon alloys.

Abstract

We have studied the magnetization of melt spun amorphous (Co_1-xFe_x)₇₄Mn₈B₁₂Si₆ alloys with 0 ≤ x ≤ 0.15. The magnetic moment of the amorphous alloys increases linearly at 4.2 K with addition of Fe. From the usual values of Co and Fe moments, and based on the charge transfer model, the Mn moment is estimated to be 3.5μ_B. The approach to saturation is established in the form of 1/H^1/2 for the various samples. Therefore, it is considered that the exchange interaction between the nearest neighbor T (T = Co, Fe and Mn) atoms is dominantly ferromagnetic. The exchange constant, local random anisotropy constant, and ferromagnetic correlation length have been calculated.

Affiliations:

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Pascal:97-0122305

Le document en format XML

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<term>Exchange interactions</term>
<term>Experimental study</term>
<term>Ferromagnetism</term>
<term>Iron base alloys</term>
<term>Magnetic anisotropy</term>
<term>Magnetic moments</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Aimantation</term>
<term>Moment magnétique</term>
<term>Effet concentration</term>
<term>Interaction échange</term>
<term>Ferromagnétisme</term>
<term>Anisotropie magnétique</term>
<term>Longueur corrélation</term>
<term>Etat amorphe</term>
<term>Alliage base fer</term>
<term>Cobalt alliage</term>
<term>Manganèse alliage</term>
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<front><div type="abstract" xml:lang="en">We have studied the magnetization of melt spun amorphous (Co<sub>1-x</sub>
Fe<sub>x</sub>
)<sub>74</sub>
Mn<sub>8</sub>
B<sub>12</sub>
Si<sub>6</sub>
 alloys with 0 ≤ x ≤ 0.15. The magnetic moment of the amorphous alloys increases linearly at 4.2 K with addition of Fe. From the usual values of Co and Fe moments, and based on the charge transfer model, the Mn moment is estimated to be 3.5μ<sub>B</sub>
. The approach to saturation is established in the form of 1/H<sup>1/2</sup>
 for the various samples. Therefore, it is considered that the exchange interaction between the nearest neighbor T (T = Co, Fe and Mn) atoms is dominantly ferromagnetic. The exchange constant, local random anisotropy constant, and ferromagnetic correlation length have been calculated.</div>
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Magnetization study of Co-Fe-Mn-B-Si amorphous alloys

Magnetization study of Co-Fe-Mn-B-Si amorphous alloys

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