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Synthesis of a new ruthenate Ba26Ru12O57

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Lee,  Jeong-Eun
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Burkhardt,  Ulrich
Ulrich Burkhardt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Komarek,  Alexander Christoph
Alexander Komarek, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Lee, J.-E., Burkhardt, U., & Komarek, A. C. (2020). Synthesis of a new ruthenate Ba26Ru12O57. Crystals, 10: 355, pp. 1-12. doi:10.3390/cryst10050355.


Cite as: http://hdl.handle.net/21.11116/0000-0006-76E3-5
Abstract
Single crystals of Ba26Ru12O57 were grown by the floating zone method. The crystal structure is formed by an alternating stacking of pseudo-hexagonal Ru single layers and double layers. The Ru ions within the double layers are dimerized (Ru2O9) whereas the Ru ions within the single layers arrange in a distorted Kagome lattice of trigonal bipyramidally coordinated RuO5 polyhedra. Additionally, this Kagome lattice is "decorated" with RuO6 octahedra that are situated in the central free spaces within this Kagome lattice. According to the composition, the oxidation state of most of the Ru ions should be formally close to 5+. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.