5 years ago

Magnetic and Structural Studies of Sc Containing Ruthenate Double Perovskites A2ScRuO6 (A = Ba, Sr)

Magnetic and Structural Studies of Sc Containing Ruthenate Double Perovskites A2ScRuO6 (A = Ba, Sr)
Ben Ranjbar, Maxim Avdeev, Kazunari Yamaura, Brendan J. Kennedy, Sean Injac, Paula Kayser
The synthesis, structural, and magnetic properties of some ruthenium-containing double perovskites A2ScRuO6 are described. The ambient-pressure hexagonal and high-pressure cubic polymorphs of Ba2ScRuO6 exhibit different magnetic and electronic properties: cubic Ba2ScRuO6 displays a metal−insulator transition near 270 K, and hexagonal Ba2ScRuO6 is a semiconductor. Sr2ScRuO6 is nonmetallic. All three oxides are antiferromagnets. Hexagonal Ba2ScRuO6 has partial Sc-Ru ordering at both the face-sharing B2O9 dimer and corner-sharing BO6 sites.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b00983

DOI: 10.1021/acs.inorgchem.7b00983

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