CobaltMaghrebV1, Main, Exploration, bibRecord, 000B37

Crystallographic and magnetic study of (Sm/Gd)2Fe17-xCox solid solutions

Identifieur interne : 000B37 ( Main/Exploration ); précédent : 000B36; suivant : 000B38

Crystallographic and magnetic study of (Sm/Gd)2Fe17-xCox solid solutions

Auteurs : M. S. Ben Kraiem [Tunisie] ; M. Ellouze [Tunisie] ; A. Cheikhrouhou [Tunisie] ; Ph. L'Heritier [France]

Source :

Physica status solidi. A. Applied research [ 0031-8965 ] ; 2002.

RBID : Pascal:03-0076356

Descripteurs français

Pascal (Inist)
- Diffraction RX, Paramètre cristallin, Point Curie, Aimantation, Etude expérimentale, Effet concentration, Solution solide, Composé intermétallique, Samarium alliage, Gadolinium alliage, Fer alliage, Cobalt alliage, Alliage quaternaire, Alliage SmGdFeCo, Co Fe Gd Sm, 7550C, 6110N, 7560E.

English descriptors

KwdEn :
- Cobalt alloys, Curie point, Experimental study, Gadolinium alloys, Intermetallic compounds, Iron alloys, Lattice parameters, Magnetization, Quantity ratio, Quaternary alloys, Samarium alloys, Solid solutions, XRD.

Abstract

The structural and magnetic properties of (Sm/Gd)₂Fe_17-xCo_x (0 < x < 3) solid solutions have been investigated using X-ray diffraction and magnetic measurements. All the compounds investigated have the rhombohedral Th₂Zn₁₇-type structure. The unit cell parameters of the substituted samples are modified compared to the parent (Sm/Gd)₂Fe₁₇ compounds. The Curie temperatures (T_c) of Sm_1.5Gd_0.5Fe_17-xCo_x intermetallics are higher than the parent sample (Sm_1.5Gd_0.5Fe₁₇). For example, T_c of Sm_1.5Gd_0.5Fe₁₄Co₃ (689 K) is approximately 283 K higher than that of Sm_1.5Gd_0.5Fe₁₇. The saturation magnetization of Sm_1.5Gd_0.5Fe_17-xCo_x, obtained at room temperature, increases with increasing Co content.

Affiliations:

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Le document en format XML

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Fe<sub>17-x</sub>
Co<sub>x</sub>
 solid solutions</title>
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<term>Intermetallic compounds</term>
<term>Iron alloys</term>
<term>Lattice parameters</term>
<term>Magnetization</term>
<term>Quantity ratio</term>
<term>Quaternary alloys</term>
<term>Samarium alloys</term>
<term>Solid solutions</term>
<term>XRD</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Diffraction RX</term>
<term>Paramètre cristallin</term>
<term>Point Curie</term>
<term>Aimantation</term>
<term>Etude expérimentale</term>
<term>Effet concentration</term>
<term>Solution solide</term>
<term>Composé intermétallique</term>
<term>Samarium alliage</term>
<term>Gadolinium alliage</term>
<term>Fer alliage</term>
<term>Cobalt alliage</term>
<term>Alliage quaternaire</term>
<term>Alliage SmGdFeCo</term>
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<front><div type="abstract" xml:lang="en">The structural and magnetic properties of (Sm/Gd)<sub>2</sub>
Fe<sub>17-x</sub>
Co<sub>x</sub>
 (0 < x < 3) solid solutions have been investigated using X-ray diffraction and magnetic measurements. All the compounds investigated have the rhombohedral Th<sub>2</sub>
Zn<sub>17</sub>
-type structure. The unit cell parameters of the substituted samples are modified compared to the parent (Sm/Gd)<sub>2</sub>
Fe<sub>17</sub>
 compounds. The Curie temperatures (T<sub>c</sub>
) of Sm<sub>1.5</sub>
Gd<sub>0.5</sub>
Fe<sub>17-x</sub>
Co<sub>x</sub>
 intermetallics are higher than the parent sample (Sm<sub>1.5</sub>
Gd<sub>0.5</sub>
Fe<sub>17</sub>
). For example, T<sub>c</sub>
 of Sm<sub>1.5</sub>
Gd<sub>0.5</sub>
Fe<sub>14</sub>
Co<sub>3</sub>
 (689 K) is approximately 283 K higher than that of Sm<sub>1.5</sub>
Gd<sub>0.5</sub>
Fe<sub>17</sub>
. The saturation magnetization of Sm<sub>1.5</sub>
Gd<sub>0.5</sub>
Fe<sub>17-x</sub>
Co<sub>x</sub>
, obtained at room temperature, increases with increasing Co content.</div>
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Crystallographic and magnetic study of (Sm/Gd)2Fe17-xCox solid solutions

Crystallographic and magnetic study of (Sm/Gd)2Fe17-xCox solid solutions

Source :

Descripteurs français

English descriptors

Abstract

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

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri