Synthesis, structure, and magnetic properties of Sr2NiOsO6 and Ca2NiOsO6:: Two new osmium-containing double perovskites

被引：56

作者：

Macquart, R

Kim, SJ

Gemmill, WR

Stalick, JK

Lee, Y

Vogt, T

zur Loye, HC ^{[1
]}

机构：

[1] Univ S Carolina, Dept Chem & Biochem, Columbia, SC 29208 USA

[2] Natl Inst Stand & Technol, Ctr Neutron Res, Gaithersburg, MD 20899 USA

[3] Yonsei Univ, Dept Earth Syst Sci, Seoul 120749, South Korea

来源：

INORGANIC CHEMISTRY | 2005年 / 44卷 / 26期

关键词：

D O I：

10.1021/ic051045+

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two new double perovskite oxides, Ca2NiOsO6 and Sr2NiOsO6, have been prepared as polycrystalline powders by solid state synthesis. The two oxides were structurally characterized by variable-temperature powder neutron diffraction. Ca2NiOsO6 was found to adopt a monoclinic structure (P2(1)/n), while Sr2NiOsO6 was found to be tetragonal (/4/m). Magnetic susceptibility measurements indicate that Ca2NiOsO6 orders in a canted antiferromagnetic state at about 175 K while Sr2NiOsO6 orders antiferromagnetically at about 50 K.

引用

页码：9676 / 9683

页数：8

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