The structure and properties of β-La3RuO7:: A new structure type with isolated RuO6 octahedra

被引:10
|
作者
Khalifah, P
Ho, DM
Huang, Q
Cava, RJ
机构
[1] Princeton Univ, Dept Chem, Princeton, NJ 08544 USA
[2] Princeton Univ, Princeton Mat Inst, Princeton, NJ 08540 USA
[3] Natl Inst Stand & Technol, Ctr Neutron Res, Gaithersburg, MD 20899 USA
[4] Univ Maryland, Dept Mat & Nucl Engn, College Pk, MD 20742 USA
基金
美国国家科学基金会;
关键词
D O I
10.1006/jssc.2002.9551
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
second lanthanum ruthenium oxide with the formula La3RuO7 is reported. This compound, beta-La3RuO7, crystallizes in the P2(1)/c space group with a unit cell of a=8.8388(3)A, b = 5.6960(1) Angstrom, c = 12.5830(3) Angstrom, and beta = 104.729(1)degrees, as refined from powder neutron diffraction data. The two major structural motifs in this structure are isolated RuO6 octahedra and edge-sharing chains of OLa4 tetrahedra. Magnetic susceptibility measurements show this compound to have a magnetic moment of mu(eff) = 3.92 mu(B) and a Weiss constant of theta = -70 K. (C) 2002 Elsevier Science (USA).
引用
收藏
页码:359 / 362
页数:4
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