CobaltMaghrebV1, France, Analysis, bibRecord, 000249

Nuclear and magnetic structure of layered LiFe1-xCoxO2 (0 ≤ x ≤ 1) determined by high-resolution neutron diffraction

Identifieur interne : 000249 ( France/Analysis ); précédent : 000248; suivant : 000250

Nuclear and magnetic structure of layered LiFe1-xCoxO2 (0 ≤ x ≤ 1) determined by high-resolution neutron diffraction

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

Source :

Journal of solid state chemistry [ 0022-4596 ] ; 2002.

RBID : Pascal:02-0184369

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Lithium oxyde, Fer oxyde, Cobalt oxyde, Solution solide, Composition chimique, Diffraction neutron, Haute température, Basse température, Température ambiante, Structure cristalline, Structure lamellaire, Structure magnétique, Antiferromagnétisme, Moment magnétique, 6166F, 7525, LiFe1-xCoxO2, Co Fe Li O.

English descriptors

KwdEn :
- Ambient temperature, Antiferromagnetism, Chemical composition, Cobalt oxides, Crystal structure, Experimental study, High temperature, Iron oxides, Lamellar structure, Lithium oxides, Low temperature, Magnetic moments, Magnetic structure, Neutron diffraction, Solid solutions.

Abstract

Mixed lithium-transition metal oxides LiFe_1-xCo_xO₂ (0 ≤ x ≤ 1) have been studied by powder neutron diffraction in the temperature range 1.5-100 K and at room temperature. The low-temperature data analysis of the high-flux neutron diffraction patterns reveals an antiferromagnetic arrangement with a propagation vector k = [001/2]. The value obtained for the magnetic moment of Fe³⁺ ions at 1.5 K, μ_Fe3+ = 3.9 μ_B, is in good agreement with the value deduced from magnetization data and is also consistent with the high spin state of Fe³⁺ ion. The crystallographic structure was determined by both X-ray and high-resolution neutron diffraction measurements.

Affiliations:

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Le document en format XML

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Co<sub>x</sub>
O<sub>2</sub>
 (0 ≤ x ≤ 1) determined by high-resolution neutron diffraction</title>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Nuclear and magnetic structure of layered LiFe<sub>1-x</sub>
Co<sub>x</sub>
O<sub>2</sub>
 (0 ≤ x ≤ 1) determined by high-resolution neutron diffraction</title>
<author><name sortKey="Douakha, N" sort="Douakha, N" uniqKey="Douakha N" first="N." last="Douakha">N. Douakha</name>
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<region type="district" nuts="2">District de Tübingen</region>
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</placeName>
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</author>
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<series><title level="j" type="main">Journal of solid state chemistry</title>
<title level="j" type="abbreviated">J. solid state chem.</title>
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<seriesStmt><title level="j" type="main">Journal of solid state chemistry</title>
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</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ambient temperature</term>
<term>Antiferromagnetism</term>
<term>Chemical composition</term>
<term>Cobalt oxides</term>
<term>Crystal structure</term>
<term>Experimental study</term>
<term>High temperature</term>
<term>Iron oxides</term>
<term>Lamellar structure</term>
<term>Lithium oxides</term>
<term>Low temperature</term>
<term>Magnetic moments</term>
<term>Magnetic structure</term>
<term>Neutron diffraction</term>
<term>Solid solutions</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Lithium oxyde</term>
<term>Fer oxyde</term>
<term>Cobalt oxyde</term>
<term>Solution solide</term>
<term>Composition chimique</term>
<term>Diffraction neutron</term>
<term>Haute température</term>
<term>Basse température</term>
<term>Température ambiante</term>
<term>Structure cristalline</term>
<term>Structure lamellaire</term>
<term>Structure magnétique</term>
<term>Antiferromagnétisme</term>
<term>Moment magnétique</term>
<term>6166F</term>
<term>7525</term>
<term>LiFe1-xCoxO2</term>
<term>Co Fe Li O</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Mixed lithium-transition metal oxides LiFe<sub>1-x</sub>
Co<sub>x</sub>
O<sub>2</sub>
 (0 ≤ x ≤ 1) have been studied by powder neutron diffraction in the temperature range 1.5-100 K and at room temperature. The low-temperature data analysis of the high-flux neutron diffraction patterns reveals an antiferromagnetic arrangement with a propagation vector k = [001/2]. The value obtained for the magnetic moment of Fe<sup>3+</sup>
 ions at 1.5 K, μ<sub>Fe3+</sub>
 = 3.9 μ<sub>B</sub>
, is in good agreement with the value deduced from magnetization data and is also consistent with the high spin state of Fe<sup>3+</sup>
 ion. The crystallographic structure was determined by both X-ray and high-resolution neutron diffraction measurements.</div>
</front>
</TEI>
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<name sortKey="Chouteau, G" sort="Chouteau, G" uniqKey="Chouteau G" first="G." last="Chouteau">G. Chouteau</name>
<name sortKey="Croguennec, L" sort="Croguennec, L" uniqKey="Croguennec L" first="L." last="Croguennec">L. Croguennec</name>
<name sortKey="Holzapfel, M" sort="Holzapfel, M" uniqKey="Holzapfel M" first="M." last="Holzapfel">M. Holzapfel</name>
<name sortKey="Ouladdiaf, B" sort="Ouladdiaf, B" uniqKey="Ouladdiaf B" first="B." last="Ouladdiaf">B. Ouladdiaf</name>
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<country name="Allemagne"><region name="Bade-Wurtemberg"><name sortKey="Holzapfel, M" sort="Holzapfel, M" uniqKey="Holzapfel M" first="M." last="Holzapfel">M. Holzapfel</name>
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<name sortKey="Ott, A" sort="Ott, A" uniqKey="Ott A" first="A." last="Ott">A. Ott</name>
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</record>

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Nuclear and magnetic structure of layered LiFe1-xCoxO2 (0 ≤ x ≤ 1) determined by high-resolution neutron diffraction

Nuclear and magnetic structure of layered LiFe1-xCoxO2 (0 ≤ x ≤ 1) determined by high-resolution neutron diffraction

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Descripteurs français

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Abstract

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Links to Exploration step

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