CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000016

Magnetic properties and magnetocaloric effect in amorphous Co35Er65 ribbon

Identifieur interne : 000016 ( Maroc/Analysis ); précédent : 000015; suivant : 000017

Magnetic properties and magnetocaloric effect in amorphous Co35Er65 ribbon

Auteurs : A. Boutahar [Maroc] ; H. Lassri [Maroc] ; K. Zehani [France] ; L. Bessais [France] ; E. K. Hlil [France]

Source :

Journal of magnetism and magnetic materials [ 0304-8853 ] ; 2014.

RBID : Pascal:14-0199545

Descripteurs français

Pascal (Inist)
- Transition ferromagnétique paramagnétique, Effet magnétocalorique, Filage état liquide, Aimantation, Ordre magnétique, Point Curie, Effet champ magnétique, Transition magnétique, Alliage base erbium, Cobalt alliage, Alliage amorphe, Métal transition alliage, Diagramme d'Arrott.

English descriptors

KwdEn :
- Amorphous alloy, Arrott plot, Cobalt alloys, Curie point, Erbium base alloys, Ferromagnetic-paramagnetic transitions, Magnetic field effects, Magnetic ordering, Magnetic transitions, Magnetization, Magnetocaloric effects, Melt spinning, Transition element alloys.

Abstract

Amorphous Co₃₅Er₆₅ ribbon was synthesized using melt spinning technique. Their magnetic properties and magnetocaloric effect (MCE) have been studied by the magnetization and isothermal magnetization of different temperature measurements. It is found that the sample obeys to the first-order magnetic transition (FOMT) from ferromagnetic (FM) to paramagnetic (PM) state at the Curie temperatures T_c=10 K. Using the thermodynamic Maxwell's relation, magnetic entropy change (-ΔS_M) is estimated and discussed in terms of MCE. The ribbon presents a large magnetocaloric effect at low temperature reaching 5.97 J/K kg under magnetic field of 0-5 T.

Affiliations:

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Le document en format XML

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Er<sub>65</sub>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Magnetic properties and magnetocaloric effect in amorphous Co<sub>35</sub>
Er<sub>65</sub>
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<orgName type="university">Université Hassan II Mohammedia Casablanca</orgName>
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<author><name sortKey="Zehani, K" sort="Zehani, K" uniqKey="Zehani K" first="K." last="Zehani">K. Zehani</name>
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<author><name sortKey="Bessais, L" sort="Bessais, L" uniqKey="Bessais L" first="L." last="Bessais">L. Bessais</name>
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<sZ>4 aut.</sZ>
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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>Amorphous alloy</term>
<term>Arrott plot</term>
<term>Cobalt alloys</term>
<term>Curie point</term>
<term>Erbium base alloys</term>
<term>Ferromagnetic-paramagnetic transitions</term>
<term>Magnetic field effects</term>
<term>Magnetic ordering</term>
<term>Magnetic transitions</term>
<term>Magnetization</term>
<term>Magnetocaloric effects</term>
<term>Melt spinning</term>
<term>Transition element alloys</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Transition ferromagnétique paramagnétique</term>
<term>Effet magnétocalorique</term>
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<term>Aimantation</term>
<term>Ordre magnétique</term>
<term>Point Curie</term>
<term>Effet champ magnétique</term>
<term>Transition magnétique</term>
<term>Alliage base erbium</term>
<term>Cobalt alliage</term>
<term>Alliage amorphe</term>
<term>Métal transition alliage</term>
<term>Diagramme d'Arrott</term>
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<front><div type="abstract" xml:lang="en">Amorphous Co<sub>35</sub>
Er<sub>65</sub>
 ribbon was synthesized using melt spinning technique. Their magnetic properties and magnetocaloric effect (MCE) have been studied by the magnetization and isothermal magnetization of different temperature measurements. It is found that the sample obeys to the first-order magnetic transition (FOMT) from ferromagnetic (FM) to paramagnetic (PM) state at the Curie temperatures T<sub>c</sub>
=10 K. Using the thermodynamic Maxwell's relation, magnetic entropy change (-ΔS<sub>M</sub>
) is estimated and discussed in terms of MCE. The ribbon presents a large magnetocaloric effect at low temperature reaching 5.97 J/K kg under magnetic field of 0-5 T.</div>
</front>
</TEI>
<affiliations><list><country><li>France</li>
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<name sortKey="Hlil, E K" sort="Hlil, E K" uniqKey="Hlil E" first="E. K." last="Hlil">E. K. Hlil</name>
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Magnetic properties and magnetocaloric effect in amorphous Co35Er65 ribbon

Magnetic properties and magnetocaloric effect in amorphous Co35Er65 ribbon

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

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