CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000175

Magnetic properties and exchange interactions in T100-xErx amorphous alloys (T = Fe, co)

Identifieur interne : 000175 ( Maroc/Analysis ); précédent : 000174; suivant : 000176

Magnetic properties and exchange interactions in T100-xErx amorphous alloys (T = Fe, co)

Auteurs : J. Benjelloun [Maroc] ; H. Oukris [Maroc] ; M. Abid [Maroc] ; M. Omri [Maroc] ; A. Itri [Maroc]

Source :

Materials letters : (General ed.) [ 0167-577X ] ; 1999.

RBID : Pascal:99-0413823

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Interaction échange, Etat amorphe, Alliage binaire, Couche mince, Approximation champ moyen, Dépendance température, Aimantation spontanée, Fer alliage, Erbium alliage, Cobalt alliage, Diagramme phase magnétique, 7530E, 7560E, 7550K, Alliage ErFe, Alliage CoEr, Co Er, Er Fe.

English descriptors

KwdEn :
- Amorphous state, Binary alloys, Cobalt alloys, Erbium alloys, Exchange interactions, Experimental study, Iron alloys, Magnetic-phase diagrams, Mean field approximation, Spontaneous magnetization, Temperature dependence, Thin films.

Abstract

Amorphous T_100-xEr_x (with T = Fe, Co and 6 < x < 30) thin films were prepared by RF sputtering and their magnetic properties have been studied. A mean field model has been used to explain a temperature dependence of the magnetization. This analysis yields the spin values of T and the effective exchange interaction between T-T and T-Er atoms. High-field magnetization studies performed at 4.2 K in magnetic fields up to 5.5 tesla on amorphous T_100-xEr_x alloys have revealed for samples with stoichiometry close to that of compensated ferrimagnet, a magnetic behavior that is characteristic of a non collinear magnetic structure of Er and T sublattices.

Affiliations:

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Le document en format XML

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 amorphous alloys (T = Fe, co)</title>
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 amorphous alloys (T = Fe, co)</title>
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<term>Binary alloys</term>
<term>Cobalt alloys</term>
<term>Erbium alloys</term>
<term>Exchange interactions</term>
<term>Experimental study</term>
<term>Iron alloys</term>
<term>Magnetic-phase diagrams</term>
<term>Mean field approximation</term>
<term>Spontaneous magnetization</term>
<term>Temperature dependence</term>
<term>Thin films</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Interaction échange</term>
<term>Etat amorphe</term>
<term>Alliage binaire</term>
<term>Couche mince</term>
<term>Approximation champ moyen</term>
<term>Dépendance température</term>
<term>Aimantation spontanée</term>
<term>Fer alliage</term>
<term>Erbium alliage</term>
<term>Cobalt alliage</term>
<term>Diagramme phase magnétique</term>
<term>7530E</term>
<term>7560E</term>
<term>7550K</term>
<term>Alliage ErFe</term>
<term>Alliage CoEr</term>
<term>Co Er</term>
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<front><div type="abstract" xml:lang="en">Amorphous T<sub>100-x</sub>
Er<sub>x</sub>
 (with T = Fe, Co and 6 < x < 30) thin films were prepared by RF sputtering and their magnetic properties have been studied. A mean field model has been used to explain a temperature dependence of the magnetization. This analysis yields the spin values of T and the effective exchange interaction between T-T and T-Er atoms. High-field magnetization studies performed at 4.2 K in magnetic fields up to 5.5 tesla on amorphous T<sub>100-x</sub>
Er<sub>x</sub>
 alloys have revealed for samples with stoichiometry close to that of compensated ferrimagnet, a magnetic behavior that is characteristic of a non collinear magnetic structure of Er and T sublattices.</div>
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Magnetic properties and exchange interactions in T100-xErx amorphous alloys (T = Fe, co)

Magnetic properties and exchange interactions in T100-xErx amorphous alloys (T = Fe, co)

Source :

Descripteurs français

English descriptors

Abstract

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Le document en format XML

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