Title

Synthesis, structural characterization, and magnetic properties of the antiferromagnetic double perovskites Ln2LiOsO6 (Ln=La, Pr, Nd, Sm)

Document Type

Paper

Subject Area(s)

Chemistry

Abstract

A series of osmium double perovskite oxides, Ln2LiOsO6 (Ln=La, Pr, Nd, Sm), has been prepared as single crystals from acidic molten hydroxide. All four oxides crystallize in the monoclinic space group P21/n (Glazer tilt system #10, aab+), forming a 1:1 ordered rock salt lattice of Li+ and Os5+ cations. Magnetic susceptibility measurements show that these compounds are antiferromagnetic at low temperature with ordering temperatures of 39, 35, 23, and 32 K for Ln2LiOsO6 (Ln=La, Pr, Nd, Sm), respectively.

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