BEN YAHIA, Hamdi; GAUDIN, Etienne; DARRIET, Jacques; BANKS, Michael; KREMER, Reinhard K.; VILLESUZANNE, Antoine; WHANGBO, Myung-Hwan

doi:10.1021/ic048244y

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BEN YAHIA, Hamdi
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

GAUDIN, Etienne
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

DARRIET, Jacques
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Inorganic Chemistry. 2005, vol. vol. 44, n° 9, p. p. 3087-3093

American Chemical Society

Résumé en anglais

A new magnetic oxide, CuMnVO4, was prepared, and its crystal structure was determined by single-crystal X-ray diffraction. The magnetic properties of CuMnVO4 were characterized by magnetic susceptibility and specific heat measurements, and the spin exchange interactions of CuMnVO4 were analyzed on the basis of spin-polarized electronic band structure calculations. CuMnVO4 contains MnO4 chains made up of edge-sharing MnO6 octahedra containing high-spin Mn2+ cations. Our work shows that CuMnVO4 undergoes a three-dimensional antiferromagnetic transition at ~20 K. Both the intrachain and interchain spin exchanges are antiferromagnetic, and the interchain spin exchange is not negligible compared to the intrachain spin exchange.< Réduire

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Spin-exchange interactions

Lithium batteries

Diffraction

Density

LiMnVO4

Oxides

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Synthesis, crystal structure, magnetic properties, and electronic structure of the new ternary vanadate CuMnVO4

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