Magnetic properties of lanthanide rhenium oxides Ln3ReO7 (Ln = Sm, Eu, Ho)

被引：26

作者：

Wakeshima, Makoto ^{[1
]}

Hinatsu, Yukio ^{[1
]}

机构：

[1] Hokkaido Univ, Grad Sch Sci, Div Chem, Sapporo, Hokkaido 0600810, Japan

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2006年 / 179卷 / 11期

关键词：

magnetic properties; lanthanide; rhenium; oxides; magnetic susceptibility; specific heat; structure transition;

D O I：

10.1016/j.jssc.2006.07.033

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Ternary lanthanide rhenium oxides Ln(3)ReO(7) (Ln = Sm, Eu, Ho) were prepared and their structures were determined by X-ray diffraction measurements. They crystallize in an orthorhombic superstructure of cubic fluorite (space group Cmcm for Ln = Sm, Eu; C222(1) for Ln = Ho). The magnetic properties were characterized by magnetic susceptibility and specific heat measurements from 1.8 to 400 K. The Sm3ReO7 shows an antiferromagnetic transition at. 1.9 K. The Eu3ReO7 indicates a magnetic anomaly at 12 K. On the other hand, the results of the specific heat measurements indicate that both Sm3ReO7 and Eu3ReO7 undergo a structure transition at 270 and 350 K, respectively. The Ho3ReO7 is paramagnetic down to 1.8 K. (c) 2006 Elsevier Inc. All rights reserved.

引用

页码：3575 / 3581

页数：7

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