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| - Growth of Sr6Rh5O15 Single Crystals from High-TemperatureSolutions: Structure Determination Using the Traditional 3-D and the4-D Superspace Group Methods and Magnetic Measurements onOriented Single Crystals
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| - Single crystals of Sr6Rh5O15 were grown from a molten potassium carbonate flux. The structurewas solved by both the traditional 3-D crystallographic approach and the 4-D superspace group approachusing JANA2000. Both methods produced an equivalent structure determination, thereby confirming the 4-Dsuperspace group approach as an effective structure solution method for 3-D commensurate composite structures.Sr6Rh5O15 corresponds to the n = 1, m = 1 member of the A3n+3mA‘nB3m+nO9m+6n family of 2H hexagonalperovskite-related oxides. This compound is characterized by pseudo-one-dimensional polyhedral chains offour face-sharing RhO6 octahedra followed by one RhO6 trigonal prism. These chains in turn are separated by[Sr]∞ chains. Magnetic measurements were carried out on oriented single crystals, and a very large magneticanisotropy in the magnetic susceptibility was observed.
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