Crystal structures and magnetic properties of iron borates containing lanthanides Sr6LnFe(BO3)6 (Ln = La, Pr, Nd, Sm-Lu)

被引：0
|
作者：
Inoue, Hiroki [1 ]
Doi, Yoshihiro [1 ]
Hinatsu, Yukio [1 ]
机构：
[1] Division of Chemistry, Graduate School of Science, Hokkaido University, Sapporo,060-0810, Japan
来源：
Journal of Alloys and Compounds | 2016年 / 681卷
基金：
日本学术振兴会;
关键词：
Magnetic susceptibility - Specific heat - Chemical analysis - Binary alloys - Chains - Crystal structure - Iron compounds - Antiferromagnetism - Neodymium alloys - Samarium alloys;
D O I：
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摘要：
The crystal structures and magnetic properties of borate compounds Sr6LnFe(BO3)6 (Ln = La, Pr, Nd, Sm-Lu) were investigated. These compounds crystallize in a hexagonal structure with space group R3¯, in which the Ln and Fe ions form one-dimensional chain structure. From the results of structural analysis, it was found that there is an anti-site disorder between Sr and Ln sites, and its chemical formula can be represented as (Sr6-xLnx)(Ln1-xSrx)Fe(BO3)6. The value of x increases with ionic radius of Ln3+. The results of magnetic susceptibility measurements show that all the Sr6LnFe(BO3)6 are paramagnetic, and the onset of an antiferromagnetic ordering was observed below ∼3 K from the specific heat measurements. © 2016, Elsever B.V. All rights reserved.
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页码：115 / 119
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