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Crystal growth of novel osmium-containing triple perovskites
Katharine E Stitzer1, Ahmed El Abed, Mark D Smith
1Department of Chemistry, University of South Carolina, Columbia, South Carolina, 29208, USA.
Inorganic Chemistry
|February 18, 2003
Abstract:
Single crystals of two new osmium-containing triple perovskites, Ba(3)LiOs(2)O(9) and Ba(3)NaOs(2)O(9), were grown from reactive molten hydroxide fluxes in sealed silver tubes. They crystallize in the space group P6(3)/mmc with lattice parameters of a = 5.8025(1) A, c = 14.1468(4) A for Ba(3)LiOs(2)O(9) and a = 5.8858(1) A, c = 14.3451(5) A for Ba(3)NaOs(2)O(9). The magnetic susceptibility of these osmates indicates significant Os-Os coupling within the octahedra pair.