CobaltMaghrebV1, France, Analysis, bibRecord, 000274

Electrical and Magnetic Properties of New Mixed Transition Metal Sulfides BaKCu3 M S4 ( M =Mn, Co, Ni)

Identifieur interne : 000274 ( France/Analysis ); précédent : 000273; suivant : 000275

Electrical and Magnetic Properties of New Mixed Transition Metal Sulfides BaKCu3 M S4 ( M =Mn, Co, Ni)

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

Source :

Journal of Solid State Chemistry [ 0022-4596 ] ; 2001.

RBID : ISTEX:1CB3652B35E61836C5FE5ADA5AC6CB39A0F3FC70

Descripteurs français

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

English descriptors

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

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 (μeff=2.50 μB per manganese ion) while magnetic ordering occurs for BaKCu3CoS4 (TN∼12 K). BaKCu3NiS4 exhibits temperature–independent paramagnetic behavior.

Url:

https://api.istex.fr/document/1CB3652B35E61836C5FE5ADA5AC6CB39A0F3FC70/fulltext/pdf

DOI: 10.1006/jssc.2000.9066

Affiliations:

Links to Exploration step

ISTEX:1CB3652B35E61836C5FE5ADA5AC6CB39A0F3FC70

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<term>7220F</term>
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<front><div type="abstract" xml:lang="en">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 (μeff=2.50 μB per manganese ion) while magnetic ordering occurs for BaKCu3CoS4 (TN∼12 K). BaKCu3NiS4 exhibits temperature–independent paramagnetic behavior.</div>
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Electrical and Magnetic Properties of New Mixed Transition Metal Sulfides BaKCu3 M S4 ( M =Mn, Co, Ni)

Electrical and Magnetic Properties of New Mixed Transition Metal Sulfides BaKCu3 M S4 ( M =Mn, Co, Ni)

Source :

Descripteurs français

English descriptors

Abstract

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

Links to Exploration step

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