AustralieFrV1, Main, Exploration, bibRecord, 00CA77

The c/a ratio of helical magnetic structures in rare-earth materials

Identifieur interne : 00CA77 ( Main/Exploration ); précédent : 00CA76; suivant : 00CA78

The c/a ratio of helical magnetic structures in rare-earth materials

Auteurs : S. B. Palmer [Royaume-Uni] ; G. J. Mcintyre [France] ; A. V. Andrianov [Russie] ; R. J. Melville [Royaume-Uni]

Source :

Journal of magnetism and magnetic materials [ 0304-8853 ] ; 1998.

RBID : Pascal:98-0211675

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Structure magnétique, Structure hélice, Dépendance température, Diffraction neutron, Diagramme phase magnétique, Alliage base gadolinium, Yttrium alliage, 7525, Alliage Gd77Y23, Gd Y.

English descriptors

KwdEn :
- Experimental study, Gadolinium base alloys, Helical structure, Magnetic structure, Magnetic-phase diagrams, Neutron diffraction, Temperature dependence, Yttrium alloys.

Abstract

We have measured the temperature dependence of the c/a ratio of Gd₆₆Y₃₄ by neutron diffraction. As the temperature decreases and the helimagnetic turn angle tends to zero, the c/a ratio of the hexagonal crystalline structure tends to a limiting value of 1.591 ± 0.001. This is in keeping with a proposal that the period of the helix is determined by the c/a ratio and both are linked to a 'ribbon' singularity of the Fermi surface.

Affiliations:

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

to stream PascalFrancis, to step Corpus: 006743
to stream PascalFrancis, to step Curation: 006919
to stream PascalFrancis, to step Checkpoint: 006243
to stream Main, to step Merge: 00DB30
to stream Main, to step Curation: 00CA77

Le document en format XML

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<front><div type="abstract" xml:lang="en">We have measured the temperature dependence of the c/a ratio of Gd<sub>66</sub>
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The c/a ratio of helical magnetic structures in rare-earth materials

The c/a ratio of helical magnetic structures in rare-earth materials

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