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Title: Single crystal and magnetic structures of maricite-type AgMnVO4
Authors: Ben Yahia, H
Shikano, M
Gaudin, E
Avdeev, M
Ling, CD
Keywords: Crystals
X-ray diffraction
Antiferromagnetic materials
Issue Date: Jan-2015
Publisher: Elsevier
Citation: Ben Yahia, H., Shikano, M., Gaudin, E., Avdeev, M., & Ling, C. D. (2015). Single crystal and magnetic structures of maricite-type AgMnVO4. Journal of Solid State Chemistry, 221, 306-310. doi:10.1016/j.jssc.2014.09.017
Abstract: 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. © 2014, Elsevier Inc.
Gov't Doc #: 8164
ISSN: 0022-4596
Appears in Collections:Journal Articles

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