β Scribed by Mugavero III, Samuel J. ;Puzdrjakova, Irina V. ;Smith, Mark D. ;Loye, Hans-Conrad zur
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Single crystals of the lanthanide-containing iridate, disamarium sodium iridium hexaoxide, Sm 2 NaIrO 6 , were prepared via high-temperature Β―ux growth and structurally characterized by single-crystal X-ray diffraction. The compound crystallizes in the monoclinic space group P2 1 /n and is a double perovskite, consisting of a 1:1 ordered rocksalt-type lattice of corner-shared NaO 6 and IrO 6 distorted octahedra. Samarium occupies the eightfold coordination site generated by the connectivity of the octahedra.
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Synchrotron X-ray powder diffraction was used to study the high pressure dependence of the lattice parameter and structural evolution of the monoclinic La 2 LiRuO 6 and tetragonal Sr 2 CoMoO 6 , Sr 2 CuWO 6 , and Ba 2 CuWO 6 double perovskite phases. The c lattice parameters of Sr 2 CuWO 6 and Ba 2