CobaltMaghrebV1, France, Analysis, bibRecord, 000251

Magnetic structure of layered LiFe1-xCoxO2: a powder-neutron diffraction study

Identifieur interne : 000251 ( France/Analysis ); précédent : 000250; suivant : 000252

Magnetic structure of layered LiFe1-xCoxO2: a powder-neutron diffraction study

Auteurs : E. Chappel [France] ; M. Holzapfel [France, Allemagne] ; N. Douakha [France, Algérie] ; G. Chouteau [France] ; A. Ott [France] ; B. Ouladdiaf [France]

Source :

Journal of magnetism and magnetic materials [ 0304-8853 ] ; 2002.

RBID : Pascal:02-0401233

Descripteurs français

Pascal (Inist)
- Structure magnétique, Diffraction neutron, Dépendance température, Réflexion Bragg, Moment magnétique, Antiferromagnétisme, Effet composition, Cristal lamellaire, Lithium oxyde, Fer oxyde, Cobalt oxyde, Composé quaternaire, Etude expérimentale, LiFe1-xCoxO2, Co Fe Li O, 7525.

English descriptors

KwdEn :
- Antiferromagnetism, Bragg reflection, Cobalt oxides, Composition effect, Experimental study, Iron oxides, Layered crystals, Lithium oxides, Magnetic moments, Magnetic structure, Neutron diffraction, Quaternary compounds, Temperature dependence.

Abstract

Layered LiFe_1-xCo_xO₂ compounds have been studied by powder-neutron diffraction in the temperature range 1.5 100 K and at room temperature. The Bragg reflections of LiFe_1-xCo_xO₂ can be indexed in the R-3m space group. At low temperatures, for x < 0.6 samples. an A-type AF structure is observed with a propagation vector k = [0 0 1/2] and a magnetic moment μ_3b(Fe^3- ) = 3.9 μ_B.

Affiliations:

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Pascal:02-0401233

Le document en format XML

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Co<sub>x</sub>
O<sub>2</sub>
: a powder-neutron diffraction study</title>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Magnetic structure of layered LiFe<sub>1-x</sub>
Co<sub>x</sub>
O<sub>2</sub>
: a powder-neutron diffraction study</title>
<author><name sortKey="Chappel, E" sort="Chappel, E" uniqKey="Chappel E" first="E." last="Chappel">E. Chappel</name>
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<region type="old region" nuts="2">Rhône-Alpes</region>
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<author><name sortKey="Ott, A" sort="Ott, A" uniqKey="Ott A" first="A." last="Ott">A. Ott</name>
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<series><title level="j" type="main">Journal of magnetism and magnetic materials</title>
<title level="j" type="abbreviated">J. magn. magn. mater.</title>
<idno type="ISSN">0304-8853</idno>
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</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Antiferromagnetism</term>
<term>Bragg reflection</term>
<term>Cobalt oxides</term>
<term>Composition effect</term>
<term>Experimental study</term>
<term>Iron oxides</term>
<term>Layered crystals</term>
<term>Lithium oxides</term>
<term>Magnetic moments</term>
<term>Magnetic structure</term>
<term>Neutron diffraction</term>
<term>Quaternary compounds</term>
<term>Temperature dependence</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Structure magnétique</term>
<term>Diffraction neutron</term>
<term>Dépendance température</term>
<term>Réflexion Bragg</term>
<term>Moment magnétique</term>
<term>Antiferromagnétisme</term>
<term>Effet composition</term>
<term>Cristal lamellaire</term>
<term>Lithium oxyde</term>
<term>Fer oxyde</term>
<term>Cobalt oxyde</term>
<term>Composé quaternaire</term>
<term>Etude expérimentale</term>
<term>LiFe1-xCoxO2</term>
<term>Co Fe Li O</term>
<term>7525</term>
</keywords>
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<front><div type="abstract" xml:lang="en">Layered LiFe<sub>1-x</sub>
Co<sub>x</sub>
O<sub>2</sub>
 compounds have been studied by powder-neutron diffraction in the temperature range 1.5 100 K and at room temperature. The Bragg reflections of LiFe<sub>1-x</sub>
Co<sub>x</sub>
O<sub>2</sub>
 can be indexed in the R-3m space group. At low temperatures, for x < 0.6 samples. an A-type AF structure is observed with a propagation vector k = [0 0 1/2] and a magnetic moment μ<sub>3b</sub>
(Fe<sup>3-</sup>
 ) = 3.9 μ<sub>B</sub>
.</div>
</front>
</TEI>
<affiliations><list><country><li>Algérie</li>
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<li>France</li>
</country>
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<settlement><li>Grenoble</li>
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<tree><country name="France"><region name="Auvergne-Rhône-Alpes"><name sortKey="Chappel, E" sort="Chappel, E" uniqKey="Chappel E" first="E." last="Chappel">E. Chappel</name>
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<name sortKey="Chouteau, G" sort="Chouteau, G" uniqKey="Chouteau G" first="G." last="Chouteau">G. Chouteau</name>
<name sortKey="Douakha, N" sort="Douakha, N" uniqKey="Douakha N" first="N." last="Douakha">N. Douakha</name>
<name sortKey="Holzapfel, M" sort="Holzapfel, M" uniqKey="Holzapfel M" first="M." last="Holzapfel">M. Holzapfel</name>
<name sortKey="Ott, A" sort="Ott, A" uniqKey="Ott A" first="A." last="Ott">A. Ott</name>
<name sortKey="Ouladdiaf, B" sort="Ouladdiaf, B" uniqKey="Ouladdiaf B" first="B." last="Ouladdiaf">B. Ouladdiaf</name>
</country>
<country name="Allemagne"><region name="Bade-Wurtemberg"><name sortKey="Holzapfel, M" sort="Holzapfel, M" uniqKey="Holzapfel M" first="M." last="Holzapfel">M. Holzapfel</name>
</region>
</country>
<country name="Algérie"><noRegion><name sortKey="Douakha, N" sort="Douakha, N" uniqKey="Douakha N" first="N." last="Douakha">N. Douakha</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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Magnetic structure of layered LiFe1-xCoxO2: a powder-neutron diffraction study

Magnetic structure of layered LiFe1-xCoxO2: a powder-neutron diffraction study

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