Abstract
Abstract The B-site ordered double perovskite Sr2CaOsO6 has been synthesized by a solid-state reaction under ambient pressure. Sr2CaOsO6 is isostructural to Sr2NaOsO6 and Sr2CaReO6, thus crystallizes in the monoclinic space group P21/n, in contrast to cubic lattice symmetry reported in an earlier publication. The compound remains paramagnetic down to a temperature of 2 K. This finding is of relevance with regard to the high-temperature ferromagnetism observed in Sr3OsO6 thin films and may find interest in view of possible exotic ground states in frustrated magnetic systems.
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