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.
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收藏
页码：9676 / 9683
页数：8
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