Synthesis, structure and physical properties of Ru ferrites:: BaMRu5O11 (M = Li and Cu) and BaM′2Ru4O11 (M′ = Mu, Fe and Co)

被引:54
作者
Foo, ML
Huang, Q
Lynn, JW
Lee, WL
Klimczuk, T
Hagemann, IS
Ong, NP
Cava, RJ
机构
[1] Princeton Univ, Dept Chem, Princeton, NJ 08540 USA
[2] NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA
[3] Princeton Univ, Dept Phys, Princeton, NJ 08540 USA
[4] Gdansk Univ Technol, Fac Appl Phys & Math, PL-80952 Gdansk, Poland
基金
美国国家科学基金会;
关键词
R-type ferrite; BaMru(5)O(11) (M = Li; Cu); BaM2Ru4O11 (M = Mn; Fe; Co); Kagome lattice;
D O I
10.1016/j.jssc.2005.11.014
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The synthesis, structure, and physical properties of five R-type Ru ferrites with chemical formula BaMRu5O11 (M = Li and Cu) and BaM'2Ru4O11 (M = Mn, Fe and Co) are reported. All the ferrites crystallize in space group P6(3)/mmc and consist of layers of edge sharing octahedra interconnected by pairs of face sharing octahedra and isolated trigonal bipyramids. For M = Li and Cu, the ferrites are paramagnetic metals with the M atoms found on the trigonal bipyramid sites exclusively. For M' = Mn, Fe and Co, the ferrites are soft ferromagnetic metals. For M' = Mn, the Mn atoms are mixed randomly with Ru atoms on different sites. The magnetic structure for BaMn2Ru4O11 is reported. (C) 2005 Elsevier Inc. All rights reserved.
引用
收藏
页码:563 / 572
页数:10
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