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Synthesis of a New Ruthenate Ba26Ru12O57

Max-Planck-Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, D-01187 Dresden, Germany
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Crystals 2020, 10(5), 355; https://doi.org/10.3390/cryst10050355
Received: 24 March 2020 / Revised: 22 April 2020 / Accepted: 27 April 2020 / Published: 30 April 2020
(This article belongs to the Section Inorganic Crystalline Materials)
Single crystals of Ba 26 Ru 12 O 57 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 (Ru 2 O 9 ) whereas the Ru ions within the single layers arrange in a distorted Kagome lattice of trigonal bipyramidally coordinated RuO 5 polyhedra. Additionally, this Kagome lattice is “decorated” with RuO 6 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+. View Full-Text
Keywords: Ruthenate; singe cyrstal growth; floating zone technique; dimer; Kagome; high oxidation state Ruthenate; singe cyrstal growth; floating zone technique; dimer; Kagome; high oxidation state
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Lee, J.-E.; Burkhardt, U.; Komarek, A.C. Synthesis of a New Ruthenate Ba26Ru12O57. Crystals 2020, 10, 355.

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