Effects of Dy3+ ions on the magnetic and transport properties of La1.3-yDyySr1.7Mn2O7

被引：3
|
作者：
Ma, M [1 ]
Kou, ZQ [1 ]
Di, NL [1 ]
Cheng, ZH [1 ]
Li, QA [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100080, Peoples R China
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2005年 / 285卷 / 03期
关键词：
magnetoresistance; magnetic interaction; spin glass; metal-insulation transition;
D O I：
10.1016/j.jmmm.2004.08.014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Although the content of Dy in the polycrystalline compounds La1.3-yDyySr1.7Mn2O7 is very small. The effects of Dy ions on the magnetic and transport properties are quite evident at low temperatures due to the large difference between Dy and La In contrast, at intermediate temperatures. their magneiizations, are independent of the Dy content, by and large, and the M(T) curves are quite similar. This contrast can be understood by considering the Dy preferential occupancy. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：439 / 442
页数：4
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