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Electrical and magnetic properties of new mixed transition metal sulfides BaKCu3MS4 (M= Mn, Co, Ni)

Identifieur interne : 000C43 ( Main/Merge ); précédent : 000C42; suivant : 000C44

Electrical and magnetic properties of new mixed transition metal sulfides BaKCu3MS4 (M= Mn, Co, Ni)

Auteurs : M. Mouallem-Bahout [France] ; O. Pena [France] ; C. Carel [France] ; A. Ouammou [Maroc]

Source :

Journal of solid state chemistry [ 0022-4596 ] ; 2001.

RBID : Pascal:01-0215466

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Susceptibilité magnétique, Loi Curie Weiss, Polycristal, Diffraction RX, Structure cristalline, Conductivité électrique, Baryum sulfure, Potassium sulfure, Cuivre sulfure, Manganèse sulfure, Cobalt sulfure, Nickel sulfure, BaKCu3NiS4, Ba Cu K Ni S, 7530C, 7560E, 7220F, 6166F, BaKCu3MnS4, Ba Cu K Mn S, BaKCu3CoS4, Ba Co Cu K S.

English descriptors

KwdEn :
- Barium sulfides, Cobalt sulfides, Copper sulfides, Crystal structure, Curie-Weiss law, Electrical conductivity, Experimental study, Magnetic susceptibility, Manganese sulfides, Nickel sulfides, Polycrystals, Potassium sulfides, XRD.

Abstract

New transition metal sulfides BaKCu₃MS₄ (M = Mn, Co, Ni) were prepared from BaCO₃, K₂CO₃, and the corresponding transition metal oxides by CS₂/Ar sulfurization. The materials are based on a common structural pattern consisting of 2-D arrangements of MS₄ tetrahedra linked by edges, crystallizing in the tetragonal ThCr₂Si₂-type structure in space group I4/mmm. Electrical resistivity measurements show that the new phases are semiconducting. The temperature dependence of magnetic susceptibility shows different behaviors depending on the substituting transition element: the data for BaKCu₃MnS₄ can be fitted to the Curie-Weiss equation (μ_eff = 2.50 μ_B per manganese ion) while magnetic ordering occurs for BaKCu₃CoS₄ (T_N ∼ 12 K). BaKCu₃NiS₄ exhibits temperature-independent paramagnetic behavior.

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Pascal:01-0215466

Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Electrical and magnetic properties of new mixed transition metal sulfides BaKCu<sub>3</sub>
MS<sub>4</sub>
 (M= Mn, Co, Ni)</title>
<author><name sortKey="Mouallem Bahout, M" sort="Mouallem Bahout, M" uniqKey="Mouallem Bahout M" first="M." last="Mouallem-Bahout">M. Mouallem-Bahout</name>
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</affiliation>
</author>
<author><name sortKey="Pena, O" sort="Pena, O" uniqKey="Pena O" first="O." last="Pena">O. Pena</name>
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<author><name sortKey="Ouammou, A" sort="Ouammou, A" uniqKey="Ouammou A" first="A." last="Ouammou">A. Ouammou</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Laboratoire Matériaux et Protection de l'Environnement, Département de Chimie, Faculté des Sciences Dhar Mehraz, Université Sidi Mohamed Ben Abdellah. B.P.</s1>
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<series><title level="j" type="main">Journal of solid state chemistry</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Barium sulfides</term>
<term>Cobalt sulfides</term>
<term>Copper sulfides</term>
<term>Crystal structure</term>
<term>Curie-Weiss law</term>
<term>Electrical conductivity</term>
<term>Experimental study</term>
<term>Magnetic susceptibility</term>
<term>Manganese sulfides</term>
<term>Nickel sulfides</term>
<term>Polycrystals</term>
<term>Potassium sulfides</term>
<term>XRD</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Susceptibilité magnétique</term>
<term>Loi Curie Weiss</term>
<term>Polycristal</term>
<term>Diffraction RX</term>
<term>Structure cristalline</term>
<term>Conductivité électrique</term>
<term>Baryum sulfure</term>
<term>Potassium sulfure</term>
<term>Cuivre sulfure</term>
<term>Manganèse sulfure</term>
<term>Cobalt sulfure</term>
<term>Nickel sulfure</term>
<term>BaKCu3NiS4</term>
<term>Ba Cu K Ni S</term>
<term>7530C</term>
<term>7560E</term>
<term>7220F</term>
<term>6166F</term>
<term>BaKCu3MnS4</term>
<term>Ba Cu K Mn S</term>
<term>BaKCu3CoS4</term>
<term>Ba Co Cu K S</term>
</keywords>
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<front><div type="abstract" xml:lang="en">New transition metal sulfides BaKCu<sub>3</sub>
MS<sub>4</sub>
 (M = Mn, Co, Ni) were prepared from BaCO<sub>3</sub>
, K<sub>2</sub>
CO<sub>3</sub>
, and the corresponding transition metal oxides by CS<sub>2</sub>
/Ar sulfurization. The materials are based on a common structural pattern consisting of 2-D arrangements of MS<sub>4</sub>
 tetrahedra linked by edges, crystallizing in the tetragonal ThCr<sub>2</sub>
Si<sub>2</sub>
-type structure in space group I4/mmm. Electrical resistivity measurements show that the new phases are semiconducting. The temperature dependence of magnetic susceptibility shows different behaviors depending on the substituting transition element: the data for BaKCu<sub>3</sub>
MnS<sub>4</sub>
 can be fitted to the Curie-Weiss equation (μ<sub>eff</sub>
 = 2.50 μ<sub>B</sub>
 per manganese ion) while magnetic ordering occurs for BaKCu<sub>3</sub>
CoS<sub>4</sub>
 (T<sub>N</sub>
 ∼ 12 K). BaKCu<sub>3</sub>
NiS<sub>4</sub>
 exhibits temperature-independent paramagnetic behavior.</div>
</front>
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<country name="Maroc"><noRegion><name sortKey="Ouammou, A" sort="Ouammou, A" uniqKey="Ouammou A" first="A." last="Ouammou">A. Ouammou</name>
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Electrical and magnetic properties of new mixed transition metal sulfides BaKCu3MS4 (M= Mn, Co, Ni)

Electrical and magnetic properties of new mixed transition metal sulfides BaKCu3MS4 (M= Mn, Co, Ni)

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