Isolated spin 3/2 plaquettes in Na3RuO4

被引：17

作者：

Regan, KA ^{[1
]}

Huang, Q

Cava, RJ

机构：

[1] Princeton Univ, Dept Chem, Princeton, NJ 08544 USA

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

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2005年 / 178卷 / 06期

基金：

美国国家科学基金会;

关键词：

ruthenates; Na3RuO4; magnetic properties;

D O I：

10.1016/j.jssc.2005.04.014

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The crystal structure of Na3RuO4 determined by powder neutron diffraction is reported. The structure consists of isolated tetranters of edge sharing RuO6 octahedra in the ab plane, creating isolated four-member plaquettes of Ru atoms comprised of two equilateral triangles sharing an edge. Magnetic susceptibility measurements reveal an anti ferromagnetic transition at similar to 29 K, with theta(w) = -141 K. Neutron diffraction data indicate the onset of three-dimensional magnetic ordering at 29 K. (c) 2005 Elsevier Inc. All rights reserved.

引用

页码：2104 / 2108

页数：5

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