BEN YAHIA, Hamdi; MASAHIRO, Shikano; GAUDIN, Etienne; MAXIM, Avdeev; D. LING, Chris

doi:10.1016/j.jssc.2014.09.017

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BEN YAHIA, Hamdi
Research Institute for Ubiquitous Energy Devices

MASAHIRO, Shikano
Research Institute for Ubiquitous Energy Devices

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

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Journal of Solid State Chemistry. 2015, vol. 221, p. 306-310

Elsevier

Résumé en anglais

Single crystals of the ternary manganese vanadate AgMnVO4, were grown using AgVO3 flux. The structure was determined from single crystal X-ray diffraction data. The magnetic structure and properties of AgMnVO4 were characterized by magnetic susceptibility, specific heat, and low-temperature neutron powder diffraction measurements. AgMnVO4 crystallizes in the maricite-type structure with space group Pnma, a=9.5393(12), b=6.8132(9), c=5.3315(7) Å and Z=4. AgMnVO4 contains MnO4 chains made up of edge-sharing MnO6 octahedra, and these chains are interlinked by the VO4 and AgO4 tetrahedra. The specific heat measurements indicate a 3D-antiferromagnetic ordering at ~12.1 K and the neutron powder diffraction measurements at 5 K show that the Mn2+magnetic moments are antiferromagnetically coupled within the chains which are antiferromagnetically coupled to each other.< Réduire

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Vanadate

Flux growth

Single crystal

Magnetic structure

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Single crystal and magnetic structures of maricite-type AgMnVO4

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