Magnetic properties of quadruple perovskites Ba4LnRu3O12 (Ln=La, Nd, Sm-Gd, Dy-Lu)

被引:17
|
作者
Shimoda, Yuki [1 ]
Doi, Yoshihiro [1 ]
Wakeshima, Makoto [1 ]
Hinatsu, Yukio [1 ]
机构
[1] Hokkaido Univ, Div Chem, Sapporo, Hokkaido 0600810, Japan
关键词
Magnetic properties; Perovskites; Ruthenium; Lanthanides; Antiferromagnetic transition; RUTHENIUM TRIPLE PEROVSKITES; OXIDES BA(3)LNIR(2)O(9) LN; CRYSTAL-STRUCTURES; NEUTRON-DIFFRACTION; RIETVELD REFINEMENT; ELECTRONIC-PROPERTIES; BA3MRUIRO9; M; BA3MRU2O9; SR; MG;
D O I
10.1016/j.jssc.2009.10.007
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Quadruple perovskites Ba(4)LnRu(3)O(12) (Ln=La, Nd, Sm-Gd, Dy-Lu) were prepared and their magnetic properties were investigated. They adopt the 12L-perovskite-type structure consisting of Ru3O12 trimers and LnO(6) octahedra. All of these compounds show an antiferromagnetic transition at 2.5-30 K. For Ba4NdRu3O12, ferrimagnetic ordering has been observed at 11.5 K. The observed magnetic transition is due to the magnetic behavior of the Ru34.33+O12 trimer with S=1/2. Magnetic properties of Ba(4)LnRu(3)O(12) were compared with those of triple perovskites Ba(3)LnRu(2)O(9) and double perovskites Ba(2)LnRuO(6). (C) 2009 Elsevier Inc. All rights reserved.
引用
收藏
页码:33 / 40
页数:8
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