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Journal Article

Bad-Metal-Layered Sulfide Oxide CsV2S2O

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Valldor,  Martin
Martin Valldor, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Merz,  Patrick
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Prots,  Yurii
Yuri Prots, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126838

Schnelle,  Walter
Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Valldor, M., Merz, P., Prots, Y., & Schnelle, W. (2016). Bad-Metal-Layered Sulfide Oxide CsV2S2O. European Journal of Inorganic Chemistry, (1), 23-27. doi:10.1002/ejic.201501154.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-7DE9-6
Abstract
Through a solid-state reaction between stoichiometric amounts of a mixed cesium oxide Cs2O1.3, VS, S, and V2O5, a polycrystalline powder of CsV2S2O was obtained. Small single crystals could be grown in a CsCl melt by allowing Cs2SO4, V metal and S powders to react. The crystals have a plate-like morphology, consistent with the tetragonal crystal-structure symmetry [P4/mmm, a = 3.9455(1), c = 7.4785(1) angstrom]. Magnetic measurements suggest that CsV2S2O is a temperature-independent paramagnet, and resistivity data concur with a bad metal. The mixed oxidation state of V on one crystallographic site offers a tentative explanation of the electronic properties of the title compound.