NickelMaghrebV1, France, Analysis, bibRecord, 000208

Neutron powder diffraction studies of NdSrNi1-xCuxO4-δ, 0 ≤ x ≤ 1, and magnetic properties

Identifieur interne : 000208 ( France/Analysis ); précédent : 000207; suivant : 000209

Neutron powder diffraction studies of NdSrNi1-xCuxO4-δ, 0 ≤ x ≤ 1, and magnetic properties

Auteurs : Hanèn Chaker [Tunisie] ; T. Roisnel [France] ; O. Cador [France] ; M. Amami [Tunisie] ; R. Ben Hassen [Tunisie]

Source :

Solid state sciences [ 1293-2558 ] ; 2006.

RBID : Pascal:06-0201419

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Diffraction neutron, Diffraction RX, Thermogravimétrie, Susceptibilité magnétique, Méthode valence liaison, Loi Curie Weiss, Dépendance température, Ordre longue distance, Ordre magnétique, Effet composition, Affinement, Structure cristalline, Solution solide, Néodyme oxyde, Nickel oxyde, Composé ternaire, Réseau quadratique, Nd2NiO4, Nd Ni O, 6166F, 7530C.

English descriptors

KwdEn :
- Bond valence method, Composition effect, Crystal structure, Curie-Weiss law, Experimental study, Long-range order, Magnetic ordering, Magnetic susceptibility, Neodymium oxides, Neutron diffraction, Nickel oxides, Refinement, Solid solutions, Temperature dependence, Ternary compounds, Tetragonal lattices, Thermogravimetry, XRD.

Abstract

Compounds from the solid solution NdSrNi_1-xCu_xO_4-δ, 0 ≤ x ≤ 1, have been prepared using conventional solid state methods and were characterized by X-ray powder diffraction, thermo-gravimetric analysis and magnetic susceptibility measurements. The samples adopt the K₂NiF₄-type structure. For x = 0.2 and x = 0.6, neutron diffraction measurements were performed and bond-valence sums (BVSs) were calculated from the Brown bond valence calculation theory. Magnetic susceptibility data for all the compositions follow Curie-Weiss behavior in the temperature range 100-300 K with no evidence of long range magnetic ordering down to 2 K. The effect of Cu²⁺ incorporation on the magnetic properties of NdsrNi_1-xCu_xO_4-δ, 0 ≤ x ≤ 1, is discussed.

Affiliations:

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Le document en format XML

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Cu<sub>x</sub>
O<sub>4-δ</sub>
, 0 ≤ x ≤ 1, and magnetic properties</title>
<author><name sortKey="Chaker, Hanen" sort="Chaker, Hanen" uniqKey="Chaker H" first="Hanèn" last="Chaker">Hanèn Chaker</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Neutron powder diffraction studies of NdSrNi<sub>1-x</sub>
Cu<sub>x</sub>
O<sub>4-δ</sub>
, 0 ≤ x ≤ 1, and magnetic properties</title>
<author><name sortKey="Chaker, Hanen" sort="Chaker, Hanen" uniqKey="Chaker H" first="Hanèn" last="Chaker">Hanèn Chaker</name>
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<placeName><region type="region" nuts="2">Région Bretagne</region>
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<orgName type="university">Université de Rennes 1</orgName>
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</author>
<author><name sortKey="Cador, O" sort="Cador, O" uniqKey="Cador O" first="O." last="Cador">O. Cador</name>
<affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Laboratoire de Chimie du Solide et Inorganique Moléculaire, CNRS - Université de Rennes 1, Institut de Chimie de Rennes, Avenue du Général Leclerc</s1>
<s2>35042 Rennes</s2>
<s3>FRA</s3>
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<sZ>3 aut.</sZ>
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<country>France</country>
<placeName><region type="region" nuts="2">Région Bretagne</region>
<settlement type="city">Rennes</settlement>
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<orgName type="university">Université de Rennes 1</orgName>
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</author>
<author><name sortKey="Amami, M" sort="Amami, M" uniqKey="Amami M" first="M." last="Amami">M. Amami</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Unité de Recherche de Chimie des Matériaux, Faculté des Sciences de Sfax, B.P. 802</s1>
<s2>3018 Sfax</s2>
<s3>TUN</s3>
<sZ>1 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Tunisie</country>
<wicri:noRegion>3018 Sfax</wicri:noRegion>
</affiliation>
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<author><name sortKey="Ben Hassen, R" sort="Ben Hassen, R" uniqKey="Ben Hassen R" first="R." last="Ben Hassen">R. Ben Hassen</name>
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<series><title level="j" type="main">Solid state sciences</title>
<title level="j" type="abbreviated">Solid state sci.</title>
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<imprint><date when="2006">2006</date>
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<seriesStmt><title level="j" type="main">Solid state sciences</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bond valence method</term>
<term>Composition effect</term>
<term>Crystal structure</term>
<term>Curie-Weiss law</term>
<term>Experimental study</term>
<term>Long-range order</term>
<term>Magnetic ordering</term>
<term>Magnetic susceptibility</term>
<term>Neodymium oxides</term>
<term>Neutron diffraction</term>
<term>Nickel oxides</term>
<term>Refinement</term>
<term>Solid solutions</term>
<term>Temperature dependence</term>
<term>Ternary compounds</term>
<term>Tetragonal lattices</term>
<term>Thermogravimetry</term>
<term>XRD</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Diffraction neutron</term>
<term>Diffraction RX</term>
<term>Thermogravimétrie</term>
<term>Susceptibilité magnétique</term>
<term>Méthode valence liaison</term>
<term>Loi Curie Weiss</term>
<term>Dépendance température</term>
<term>Ordre longue distance</term>
<term>Ordre magnétique</term>
<term>Effet composition</term>
<term>Affinement</term>
<term>Structure cristalline</term>
<term>Solution solide</term>
<term>Néodyme oxyde</term>
<term>Nickel oxyde</term>
<term>Composé ternaire</term>
<term>Réseau quadratique</term>
<term>Nd2NiO4</term>
<term>Nd Ni O</term>
<term>6166F</term>
<term>7530C</term>
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<front><div type="abstract" xml:lang="en">Compounds from the solid solution NdSrNi<sub>1-x</sub>
Cu<sub>x</sub>
O<sub>4-δ</sub>
, 0 ≤ x ≤ 1, have been prepared using conventional solid state methods and were characterized by X-ray powder diffraction, thermo-gravimetric analysis and magnetic susceptibility measurements. The samples adopt the K<sub>2</sub>
NiF<sub>4</sub>
-type structure. For x = 0.2 and x = 0.6, neutron diffraction measurements were performed and bond-valence sums (BVSs) were calculated from the Brown bond valence calculation theory. Magnetic susceptibility data for all the compositions follow Curie-Weiss behavior in the temperature range 100-300 K with no evidence of long range magnetic ordering down to 2 K. The effect of Cu<sup>2+</sup>
 incorporation on the magnetic properties of NdsrNi<sub>1-x</sub>
Cu<sub>x</sub>
O<sub>4-δ</sub>
, 0 ≤ x ≤ 1, is discussed.</div>
</front>
</TEI>
<affiliations><list><country><li>France</li>
<li>Tunisie</li>
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<region><li>Région Bretagne</li>
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<name sortKey="Amami, M" sort="Amami, M" uniqKey="Amami M" first="M." last="Amami">M. Amami</name>
<name sortKey="Ben Hassen, R" sort="Ben Hassen, R" uniqKey="Ben Hassen R" first="R." last="Ben Hassen">R. Ben Hassen</name>
</country>
<country name="France"><region name="Région Bretagne"><name sortKey="Roisnel, T" sort="Roisnel, T" uniqKey="Roisnel T" first="T." last="Roisnel">T. Roisnel</name>
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</country>
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</record>

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Neutron powder diffraction studies of NdSrNi1-xCuxO4-δ, 0 ≤ x ≤ 1, and magnetic properties

Neutron powder diffraction studies of NdSrNi1-xCuxO4-δ, 0 ≤ x ≤ 1, and magnetic properties

Source :

Descripteurs français

English descriptors

Abstract

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