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Topology and symmetry analysis of the Sr2VO(VO4)2 family exhibiting magnetic properties and prediction of structures with different orderings of vanadyl bonds

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Abstract

A topology and symmetry analysis of structures of the Sr-vanadyl-vanadate family Sr2VO(VO4)2 with a quasi-one-dimensional spin system, which is responsible for magnetic properties, is performed. Based on the known structure with space group I2/a, structures belonging to its subgroups with ordered vanadyl bonds in octahedra containing the magnetic V+4 ion are derived. Structures with a polar orientation of vanadyl bonds in chains of octahedra correspond to space groups P21/c, P2/c, and Pc, and structures with a nonpolar orientation of vanadyl bonds correspond to space groups P2/a, P2, and P2/n. Variants of disordering of vanadyl bonds over two directions, namely, along the b and a axes, are considered for all structures. The predicted structures can be used for the diagnostics of phases obtained in this family and as initial information necessary for studies of magnetic properties of crystals.

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Authors and Affiliations

  1. Faculty of Geology, Moscow State University, Moscow, 119992, Russia

    E. L. Belokoneva & I. K. Shagivaleeva

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  1. E. L. Belokoneva
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  2. I. K. Shagivaleeva
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Correspondence to E. L. Belokoneva.

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Dedicated to the memory of A.V. Shubnikov

Original Russian Text © E.L. Belokoneva, I.K. Shagivaleeva, 2012, published in Kristallografiya, 2012, Vol. 57, No. 3, pp. 424–429.

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Belokoneva, E.L., Shagivaleeva, I.K. Topology and symmetry analysis of the Sr2VO(VO4)2 family exhibiting magnetic properties and prediction of structures with different orderings of vanadyl bonds. Crystallogr. Rep. 57, 369–374 (2012). https://doi.org/10.1134/S1063774512030029

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  • DOI: https://doi.org/10.1134/S1063774512030029

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