Synthesis, characterization and magnetic properties of complex oxides Ln2Mn2/3Re4/3O7 (Ln = Er, Y) and Y2Zn2/3Re4/3O7

被引：8
|
作者：
Bazuev, G. V. [1 ]
Chupakhin, T. I. [1 ]
Korolyov, A. V. [2 ]
机构：
[1] Russian Acad Sci, Ural Branch, Inst Solid State Chem, Ekaterinburg Gsp 620999, Russia
[2] Russian Acad Sci, Ural Branch, Inst Met Phys, Ekaterinburg Gsp 620999, Russia
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 486卷 / 1-2期
关键词：
Spin glasses; Chemical synthesis; Magnetic measurements; PYROCHLORE-RELATED STRUCTURE; RARE-EARTH; GLASS; MICROSTRUCTURE;
D O I：
10.1016/j.jallcom.2009.07.021
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Complex oxides Ln(2)Mn(2/3)Re(4/3)O(7) (Ln = Y, Er) and Y2Zn2/3Re4/3O7 with a zirkelite structure and hexagonal unit cells (space group P3(1)21, z = 6) have been obtained. Static and dynamic magnetic susceptibility measurements show that these oxides possess spin-glass behavior at low temperatures. Valence combinations of cl-metals in the oxides are Mn2+(Zn2+)-Re5+. It is supposed that the examined specimens Ln(2)Mn(2/3)Re(4/3)O(7) (Ln = Y, Er) contain the second magnetic phase of an unknown composition. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：88 / 92
页数：5
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